CN105429596B - A kind of product open air presentation device based on high efficiency solar cell - Google Patents
A kind of product open air presentation device based on high efficiency solar cell Download PDFInfo
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- CN105429596B CN105429596B CN201610022666.6A CN201610022666A CN105429596B CN 105429596 B CN105429596 B CN 105429596B CN 201610022666 A CN201610022666 A CN 201610022666A CN 105429596 B CN105429596 B CN 105429596B
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- JFYZBXKLRPWSGV-UHFFFAOYSA-N 1-methyl-3-propyl-2h-imidazole Chemical class CCCN1CN(C)C=C1 JFYZBXKLRPWSGV-UHFFFAOYSA-N 0.000 claims 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Hybrid Cells (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of product open air presentation device based on high efficiency solar cell, by the way that in presentation device outer surface installation detecting device, which further includes data read module and gas identification module based on self energizing sensing element；Self energizing sensing element includes dye sensitization solar cell module and gas sensor module, working power of the dye sensitization solar cell module as gas sensor module, generate the effect of self energizing, it can realize the quick detection to pernicious gas in the presentation device working environment, high sensitivity, repeatability are high.
Description
Technical field
The present invention relates to displaying fields, are more particularly to a kind of product open air displaying based on high efficiency solar cell and set
It is standby.
Background technology
Presentation device is primarily used to displaying product, so that people increase the device intuitively understood, including showcase, displaying
Frame, show stand etc..Different materials may be used as needed.
However, since existing presentation device application range is wide, when it is in different operating environment, it is proposed
New requirement functionally, such as the detection function to hazardous gas.
Invention content
It is provided a kind of based on high-efficiency solar electricity it is an object of the invention to avoid shortcoming of the prior art
The product open air presentation device in pond.
The purpose of the present invention is achieved through the following technical solutions：
A kind of product open air presentation device based on high efficiency solar cell, the outer surface installation inspection of the presentation device
Device is surveyed, the detection device is based on self energizing sensing element, which includes dye-sensitized solar cells
Module and gas sensor module；Dye sensitization of solar module can be as the working power of gas sensor module, to it
The effect of self energizing is generated, and then can realize the quick detection to pernicious gas in presentation device working environment, high sensitivity,
And it is repeated high, while achieve the purpose that efficiently to utilize solar energy.
The dye sensitization solar cell module includes to electrode, light anode and is filled in described to electrode and light sun
Electrolyte between pole, it is described electrode is included stainless steel base, close to stainless steel base conductive catalytic layer, be set to it is described
Carbon nanotube on conductive catalytic layer, the light anode include ITO electro-conductive glass substrate and in ITO electro-conductive glass substrates
TiO2Particle and dye molecules, the TiO2The grain size of particle about 65nm, the length to carbon nanotube on electrode are 7 μm；
The gas sensor module includes silicon chip substrate, tungsten oxide nano and Au electrodes, corrodes on the surface of the silicon chip substrate
There is Porous Silicon area, the surface vapor deposition of the Porous Silicon area has tungsten oxide layer film with porous silicon together as detection gas
Composite sensitive material, the aperture of the porous silicon is 10~30nm；The dye sensitization solar cell module and gas sensing
Device module be set to surface have an a diameter of 0.5cm air admission hole specification be 5cm × 5cm × 1cm aluminum cuboid frame
In frame, the dye sensitization solar cell module, to the outer surface of the frame, and makes light anode court by adhesive bonding
On, the gas sensor module, data read module are set to the lower portion, the dye-sensitized solar cells mould
Block, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 300nm, and the thickness of the Ni films is 15nm；3. utilize CVD
Method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 9ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 1:It 3 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 45mA/cm2, etching time 1h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 100nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
The invention has the beneficial effects that：
(1) the present invention is based on dye-sensitized solar cells technologies and gas sensor technology, design the gas of self energizing
Sensor provides the energy of working sensor with dye-sensitized solar cells；By dye-sensitized solar cells with it is porous
Silicon substrate gas sensor is connected, including solar cell module, sensor assembly, data read module and gas detection module；
Solar cell is used as the working power of sensor by solar power generation, and the effect of self energizing is generated to gas sensor,
Solar energy resources have been maximally utilized, have reduced energy waste and environmental pollution.
(2) in dye-sensitized solar cells in electrode, generally use Pt is used as to electrode catalyst agent material, still
Platinum is a kind of noble metal, expensive, and the present invention substitutes Pt as catalyst using carbon nanotube, makes simple, catalytic efficiency
Height, it is cheap；Manufacturing cost substantially reduces, and is conducive to widely popularize application；In addition, gas sensor module is adopted in the present invention
It is sensitive material with porous silicon, while tungsten oxide layer film, porous silica material and tungsten oxide material knot is deposited in porous silicon surface
Cooperate as composite sensitive material, can in quick environment-identification gas situation of change, high sensitivity is convenient and efficient.
(3) present invention is provided with a gas identification module that can identify gas type behind data read module,
The instruction support powder used in the gas detection means set in the module quickly judges gas type, when work is run
It does not need to dye sensitization solar cell module and energy is provided, whole save has saved the energy, and realizes passive detection row
Deflation body；It is efficient and convenient.
Description of the drawings
Invention is described further, but the embodiment in attached drawing does not form any limitation of the invention using attached drawing,
For those of ordinary skill in the art, without creative efforts, can also it be obtained according to the following drawings
Its attached drawing.
Fig. 1 is the schematic diagram of presentation device of the present invention.
Fig. 2 is the structure diagram of the dye sensitization solar cell module of the present invention.
Fig. 3 is the gas sensor module schematic top plan view of the present invention.
Fig. 4 is the sectional view of the gas sensor module of the present invention.
Fig. 5 is the dye sensitization solar cell module of the present invention and the combination schematic diagram of gas sensor module.
Fig. 6 is the structure diagram of the gas identification module of the present invention.
Specific embodiment
In general, after gas component of the sensing element in gas sensor in extraneous test environment changes,
Its physical quantity being measured accordingly can also change, and gas sensor detects changed specific gas componant
Come, and then converted the variation of the electric signal of reflection gas componant variation, such as resistance, capacitance, dielectric etc..
Porous silicon is a kind of material with open structure, can be aoxidized in hydrofluoric acid by monocrystalline silicon or polysilicon
To be made.Porous silicon has many advantages, such as good optical property, huge surface area, and at present, porous silicon is to humidity, You Jiqi
Body, NOX、COX、O2, HCl etc. show detection property.Using porous silicon as the gas sensor of sensitive material, mainly inhaled using it
The variation of conductivity carrys out detection gas after attached gas.When porous silicon is placed in detected gas environment, gas can be in porous silicon
Suction-operated occurs for surface, and gas molecule can capture hole or electronics from porous silicon surface, the resistance of porous silicon is caused to become
Change, the variation of under test gas concentration can be measured by the variation for measuring porous silicon resistor or conductance.
There are following technical problems for gas sensor in presently relevant technology：In gas sensor at work, it needs
External power supply or battery drive its work, largely can cause environmental pollution and energy waste using battery, have to environment latent
Harm, therefore, it is necessary to seek a kind of new gas sensor of environmental protection and energy saving.Solar energy is as a kind of sustainable novel
The energy is the basis of human survival and development.Future, solar power generation will be as the main energy sources forms of human society.At present,
Solar cell mainly in the form of silicon solar cell, dye-sensitized solar cells and organic solar batteries, wherein, market
The silicon solar cell that upper major part is monocrystalline and polysilicon is representative, although it is high, performance stabilization excellent with transformation efficiency
Point, but when preparing silicon solar cell, refining high-purity silicon material needs to expend mass energy.
Under sunlight irradiation, dye molecule absorbs luminous energy, excitation state is excited to by eigenstate, due to excitation state
Unstable, excitation state electrons are transferred to the conductive layer that Nanometer Semiconductor Films pass through light anode from dye molecule, and then
To external circuit；The dye molecule for losing electronics can be by I in neighbouring electrolyte-Revert to eigenstate, and I-Ion is oxidized to
I3-, electronics is transferred to from external circuit to electrode, under the effect of the catalyst, by I in electrolyte3-It is reduced to I-, so recycle.
Based on this, the operation principle of device of the present invention is：Dye-sensitized solar cells and gas sensor, digital independent
Block coupled in series.Under sunlight, dye molecule absorbs luminous energy in dye-sensitized solar cells, is excited, the electronics of release
External circuit is flowed to by light anode, is formed into a loop by porous silicon-base gas sensor, data detection module, to electrode, warp
The catalytic action of carbon nanotube is crossed, goes back I in original electrolyte3-Ion is thusly-formed working cycles；For gas sensor, in quilt
Under detection gas environment, porous silicon and tungsten oxide meeting adsorption gas molecule cause its conductivity to change, and then act on electricity
The variation of stream, at this time data monitoring module can detect variation, finally show the gas concentration in real time.
The present invention provides a kind of product open air presentation device based on high efficiency solar cell, the outside of the presentation device
Surface installation detecting device, the detection device are based on self energizing sensing element, which includes dye sensitization
Solar cell module and gas sensor module；Dye sensitization of solar module can be as the work of gas sensor module
Power supply generates it effect of self energizing, and then can realize the quick detection to pernicious gas in presentation device working environment,
High sensitivity, and repeatability is high, while achievees the purpose that efficiently to utilize solar energy.
Further explanation is made to the present invention with reference to legend：
Fig. 1 is presentation device schematic diagram of the present invention.Detection device 2 is installed on the outer surface of presentation device 1.
Fig. 2 is the structure diagram of the dye sensitization solar cell module of the present invention.
Fig. 3 is the gas sensor module schematic top plan view of the present invention.
Fig. 4 is the sectional view of the gas sensor module of the present invention.
Fig. 5 is the dye sensitization solar cell module of the present invention and the combination schematic diagram of gas sensor module.
Fig. 6 is the structure diagram of the gas identification module of the present invention.
Wherein：The stainless steel bases of 10-, 11- silicon chip substrates, 12- silicon chip substrates, 13- dye sensitization solar cell modules,
20- conductive catalytic layers, 21- Porous Silicon areas, 23- gas sensor modules, 30- electrolyte, 31-Au electrodes, 32- tungsten oxides are received
Rice noodles, 33- data read modules, 40-ITO electro-conductive glass substrates, 43- frames, 50- is to carbon nanotube on electrode, 53- air inlets
Hole, 60-TiO2Particle layer and dye molecules, 70- gas identification modules, 71- outer housings, 72- gas detection means, 73- expand
Dissipate control film layer, 74- instruction support powders, 75- glass tubes.
The invention will be further described with the following Examples.
Embodiment 1
A kind of product open air presentation device based on high efficiency solar cell that the embodiment of the present invention is provided, the exhibition
Show the outer surface installation detecting device of equipment, the detection device is based on self energizing sensing element, and further includes data reading
Modulus block and gas identification module；The self energizing sensing element includes dye sensitization solar cell module and gas sensor mould
Block；The dye sensitization solar cell module include to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte, it is described to electrode include stainless steel base, close to stainless steel base conductive catalytic layer, be set to the conduction
Carbon nanotube in Catalytic Layer, the light anode include ITO electro-conductive glass substrate and the TiO in ITO electro-conductive glass substrates2
Particle and dye molecules, the TiO2The grain size of particle about 65nm,；The gas sensor module includes silicon chip substrate, oxygen
Change tungsten nanowires and Au electrodes, corroding on the surface of the silicon chip substrate has Porous Silicon area, the surface of the Porous Silicon area
Vapor deposition has composite sensitive material of the tungsten oxide layer film with porous silicon together as detection gas；The dye sensitization of solar electricity
The specification that pond module and gas sensor module are set to surface and have the air admission hole of an a diameter of 0.5cm is 5cm × 5cm × 1cm
Aluminum cuboid framework in, the dye sensitization solar cell module passes through adhesive bonding to the appearance of the frame
Face, and make light anode upward, the gas sensor module, data read module are set to the lower portion, the dyestuff
Sensitization solar battery module, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 500nm, and the thickness of the Ni films is 10nm；3. utilize CVD
Method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 9ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 1:It 3 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 45mA/cm2, etching time 1h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 100nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
Test data：
In obtained device, the length to carbon nanotube on electrode of dye-sensitized solar cells is about 7 μm, and gas passes
The aperture of porous silicon about 10~30nm in sensor；During test, which is put into 1m3Light tight hermetical testing container, take
100mW/cm2Xenon source simulated solar irradiation, the NO of various concentration is passed through into test container respectively2Gas.
The sensitivity of gas is represented with following formula：R%=(I0±It/I0) × 100%, in formula, in the feelings that light source power is constant
Under condition, I0Not to be passed through NO2When device in size of current, ItTo be passed through NO2Size of current when testing gas in device.
Test obtains, the optimal transformation efficiency about 11.6% of dye-sensitized solar cells, and test is sent out after repeating 2000 times
Existing, dye-sensitized solar cells transformation efficiency drops to 9.3%, reproducible；When about 40 DEG C of gas sensor operating temperature
When, selectivity and sensitivity to gas are put up the best performance, wherein, to NO2The detection limit of gas is 5ppm, to 100ppm
NO2, sensitivity 72, response time 7s；To NH3The detection limit of gas is 5ppm, to the NH of 100ppm3, sensitivity reaches
56, response time 4s.
Embodiment 2：
A kind of product open air presentation device based on high efficiency solar cell that the embodiment of the present invention is provided, the exhibition
Show the outer surface installation detecting device of equipment, the detection device is based on self energizing sensing element, and further includes data reading
Modulus block and gas identification module；The self energizing sensing element includes dye sensitization solar cell module and gas sensor mould
Block；The dye sensitization solar cell module include to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte, it is described to electrode include stainless steel base, close to stainless steel base conductive catalytic layer, be set to the conduction
Carbon nanotube in Catalytic Layer, the light anode include ITO electro-conductive glass substrate and the TiO in ITO electro-conductive glass substrates2
Particle and dye molecules, the TiO2The grain size of particle about 38nm；The gas sensor module includes silicon chip substrate, oxidation
Tungsten nanowires and Au electrodes, on the surface of the silicon chip substrate corrosion have Porous Silicon area, the surface of the Porous Silicon area is steamed
It is coated with composite sensitive material of the tungsten oxide layer film with porous silicon together as detection gas；The dye-sensitized solar cells
The specification that module and gas sensor module are set to surface and have the air admission hole of an a diameter of 0.5cm is 5cm × 5cm × 1cm's
In the cuboid framework of aluminum, the dye sensitization solar cell module passes through adhesive bonding to the appearance of the frame
Face, and make light anode upward, the gas sensor module, data read module are set to the lower portion, the dyestuff
Sensitization solar battery module, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 300nm, and the thickness of the Ni films is 7nm；3. using CVD method,
CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 9ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 30 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 2:It 3 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 40mA/cm2, etching time 2h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 60nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
Test data：
In obtained device, the length to carbon nanotube on electrode of dye-sensitized solar cells is about 7 μm, and gas passes
The aperture of porous silicon about 5~25nm in sensor；During test, which is put into 1m3Light tight hermetical testing container, take
100mW/cm2Xenon source simulated solar irradiation, the NO of various concentration is passed through into test container respectively2Gas.
The sensitivity of gas is represented with following formula：R%=(I0±It/I0) × 100%, in formula, in the feelings that light source power is constant
Under condition, I0Not to be passed through NO2When device in size of current, ItTo be passed through NO2Size of current when testing gas in device.
Test obtains, the optimal transformation efficiency about 10.2% of dye-sensitized solar cells, and test is sent out after repeating 2000 times
Existing, dye-sensitized solar cells transformation efficiency drops to 8.1%, reproducible；When about 40 DEG C of gas sensor operating temperature
When, selectivity and sensitivity to gas are put up the best performance, wherein, to NO2The detection limit of gas is 12ppm, right
The NO of 100ppm2, sensitivity 52, response time 9s；To NH3The detection limit of gas is 9ppm, to the NH of 100ppm3, it is sensitive
Degree is up to 50, response time 6s.
Embodiment 3
A kind of product open air presentation device based on high efficiency solar cell that the embodiment of the present invention is provided, the exhibition
Show the outer surface installation detecting device of equipment, the detection device is based on self energizing sensing element, and further includes data reading
Modulus block and gas identification module；The self energizing sensing element includes dye sensitization solar cell module and gas sensor mould
Block；The dye sensitization solar cell module include to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte, it is described to electrode include stainless steel base, close to stainless steel base conductive catalytic layer, be set to the conduction
Carbon nanotube in Catalytic Layer, the light anode include ITO electro-conductive glass substrate and the TiO in ITO electro-conductive glass substrates2
Particle and dye molecules, the TiO2The grain size of particle about 55nm；The gas sensor module includes silicon chip substrate, oxidation
Tungsten nanowires and Au electrodes, on the surface of the silicon chip substrate corrosion have Porous Silicon area, the surface of the Porous Silicon area is steamed
It is coated with composite sensitive material of the tungsten oxide layer film with porous silicon together as detection gas；The dye-sensitized solar cells
The specification that module and gas sensor module are set to surface and have the air admission hole of an a diameter of 0.5cm is 5cm × 5cm × 1cm's
In the cuboid framework of aluminum, the dye sensitization solar cell module passes through adhesive bonding to the appearance of the frame
Face, and make light anode upward, the gas sensor module, data read module are set to the lower portion, the dyestuff
Sensitization solar battery module, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 260nm, and the thickness of the Ni films is 15nm；3. utilize CVD
Method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 9ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.2M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 1:It 5 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 20mA/cm2, etching time 1h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 100nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
Test data：
In obtained device, the length to carbon nanotube on electrode of dye-sensitized solar cells is about 9 μm, and gas passes
The aperture of porous silicon about 5~50nm in sensor；During test, which is put into 1m3Light tight hermetical testing container, take
100mW/cm2Xenon source simulated solar irradiation, the NO of various concentration is passed through into test container respectively2Gas.
The sensitivity of gas is represented with following formula：R%=(I0±It/I0) × 100%, in formula, in the feelings that light source power is constant
Under condition, I0Not to be passed through NO2When device in size of current, ItTo be passed through NO2Size of current when testing gas in device.
Test obtains, the optimal transformation efficiency about 10.3% of dye-sensitized solar cells, and test is sent out after repeating 2000 times
Existing, dye-sensitized solar cells transformation efficiency drops to 7.7%, reproducible；When about 40 DEG C of gas sensor operating temperature
When, selectivity and sensitivity to gas are put up the best performance, wherein, to NO2The detection limit of gas is 16ppm, right
The NO of 100ppm2, sensitivity 51, response time 21s；To NH3The detection limit of gas is 13ppm, to the NH of 100ppm3, spirit
Sensitivity is up to 29, response time 17s.
Embodiment 4
A kind of product open air presentation device based on high efficiency solar cell that the embodiment of the present invention is provided, the exhibition
Show the outer surface installation detecting device of equipment, the detection device is based on self energizing sensing element, and further includes data reading
Modulus block and gas identification module；The self energizing sensing element includes dye sensitization solar cell module and gas sensor mould
Block；The dye sensitization solar cell module include to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte, it is described to electrode include stainless steel base, close to stainless steel base conductive catalytic layer, be set to the conduction
Carbon nanotube in Catalytic Layer, the light anode include ITO electro-conductive glass substrate and the TiO in ITO electro-conductive glass substrates2
Particle and dye molecules, the TiO2The grain size of particle about 80nm；The gas sensor module includes silicon chip substrate, oxidation
Tungsten nanowires and Au electrodes, on the surface of the silicon chip substrate corrosion have Porous Silicon area, the surface of the Porous Silicon area is steamed
It is coated with composite sensitive material of the tungsten oxide layer film with porous silicon together as detection gas；The dye-sensitized solar cells
The specification that module and gas sensor module are set to surface and have the air admission hole of an a diameter of 0.5cm is 5cm × 5cm × 1cm's
In the cuboid framework of aluminum, the dye sensitization solar cell module passes through adhesive bonding to the appearance of the frame
Face, and make light anode upward, the gas sensor module, data read module are set to the lower portion, the dyestuff
Sensitization solar battery module, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 350nm, and the thickness of the Ni films is 15nm；3. utilize CVD
Method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 5ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 6ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 2:It 3 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 48mA/cm2, etching time 1h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 70nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
Test data：
In obtained device, the length to carbon nanotube on electrode of dye-sensitized solar cells is about 8 μm, and gas passes
The aperture of porous silicon about 20~40nm in sensor；During test, which is put into 1m3Light tight hermetical testing container, take
100mW/cm2Xenon source simulated solar irradiation, the NO of various concentration is passed through into test container respectively2Gas.
The sensitivity of gas is represented with following formula：R%=(I0±It/I0) × 100%, in formula, in the feelings that light source power is constant
Under condition, I0Not to be passed through NO2When device in size of current, ItTo be passed through NO2Size of current when testing gas in device.
Test obtains, the optimal transformation efficiency about 8.7% of dye-sensitized solar cells, and test is sent out after repeating 2000 times
Existing, dye-sensitized solar cells transformation efficiency drops to 7.4%, reproducible；When about 40 DEG C of gas sensor operating temperature
When, selectivity and sensitivity to gas are put up the best performance, wherein, to NO2The detection limit of gas is 26ppm, right
The NO of 100ppm2, sensitivity 39, response time 15s；To NH3The detection limit of gas is 12ppm, to the NH of 100ppm3, spirit
Sensitivity is up to 37, response time 9s.
Embodiment 5
A kind of product open air presentation device based on high efficiency solar cell that the embodiment of the present invention is provided, the exhibition
Show the outer surface installation detecting device of equipment, the detection device is based on self energizing sensing element, and further includes data reading
Modulus block and gas identification module；The self energizing sensing element includes dye sensitization solar cell module and gas sensor mould
Block；The dye sensitization solar cell module include to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte, it is described to electrode include stainless steel base, close to stainless steel base conductive catalytic layer, be set to the conduction
Carbon nanotube in Catalytic Layer, the light anode include ITO electro-conductive glass substrate and the TiO in ITO electro-conductive glass substrates2
Particle and dye molecules, the TiO2The grain size of particle about 100nm；The gas sensor module includes silicon chip substrate, oxygen
Change tungsten nanowires and Au electrodes, corroding on the surface of the silicon chip substrate has Porous Silicon area, the surface of the Porous Silicon area
Vapor deposition has composite sensitive material of the tungsten oxide layer film with porous silicon together as detection gas；The dye sensitization of solar electricity
The specification that pond module and gas sensor module are set to surface and have the air admission hole of an a diameter of 0.5cm is 5cm × 5cm × 1cm
Aluminum cuboid framework in, the dye sensitization solar cell module passes through adhesive bonding to the appearance of the frame
Face, and make light anode upward, the gas sensor module, data read module are set to the lower portion, the dyestuff
Sensitization solar battery module, the gas sensor module are connected with data read module by conducting wire.
Preferably, the making of the dye sensitization solar cell module includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；2. metal Cr is plated in stainless steel base using magnetron sputtering method
Film and Ni films form conductive catalytic layer, and the thickness of the Cr films is 300nm, and the thickness of the Ni films is 15nm；3. utilize CVD
Method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it in 50 DEG C of stirred in water bath
It being sufficiently mixed, butyl titanate 9ml is added in mixed solution, 1h is stirred in continuation in a water bath, then adds in absolute ethyl alcohol 10ml,
1h is stirred in a water bath, is stood 12h, is obtained TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Grain
Son, the mixing of 10ml ethyl alcohol, 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
The TiO of amount2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrates of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methyl
Iodonium imidazolide salts, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge utilizes insulator
Encapsulation, injects the electrolyte into cavity, forms dye sensitization solar cell module；
The preparation of the gas sensor module includes the following steps：
1. cutting silicon chip substrate size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate to be rinsed well with deionized water, places into hydrofluoric acid and soak
10min is steeped, then is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 1:It 3 hydrofluoric acid (40%) and goes
The mixed liquor of ionized water, corrosion current 25mA/cm2, etching time 1h, formed on silicon chip substrate surface size 1.5cm ×
The Porous Silicon area of 1cm；
3. silicon chip substrate is put into magnetic control sputtering device, one layer of tungsten film is deposited in its porous silicon region field surface, thickness is
Then silicon chip substrate is put into tube furnace by 200nm, seal and be passed through nitrogen under normal pressure, utilizes 450 DEG C of growth tungsten oxides of CVD method
Nano wire；
4. the Au electrodes of two round point shapes, the diameter of the Au electrodes are made on Porous Silicon area using magnetron sputtering method
For 1mm, thickness 100nm.
Module is sent to the controller being set to inside the detection device to the data read module by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module, the gas identification module
It is connected by conducting wire with the data read module, the gas identification module mainly connects by outer housing and with outer housing detachable
The gas detection means connect are formed, and the gas detection means are made of diffusion control film layer, instruction support powder and glass tube；
The preparation process of the gas detection means is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved (90~100 mesh) is placed in 600 DEG C of Muffle furnaces
2h is calcined, after cooling, bottling is for use；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activation and carry
Body, it is stirring while adding, until being uniformly mixed, until supernatant liquor is less.After spontaneously drying in air, it is fitted into closed container
For use；
S3：The preparation of glass tube：Select internal diameter is uniform, glass tube that transparency is good (specification for ID2.0mm ×
OD4.0mm), several sections of the glass tube that length is 30mm is intercepted into, with sand paper by both sides feather plucking, then successively with suds, clear
Water, distilled water are clean by glass tube cleaning, dry for use；
S4：The preparation of diffusion control film：Film is controlled as diffusion using the polyester film of 0.5mm thickness, after polymer PET drying,
The circular membrane for being 2.0mm into outer diameter with mould punching；
S5：The assembling of gas identification module：By the diffusion control film side of adhesive bonding to glass tube, then weigh
A certain amount of instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
Test data：
In obtained device, the length to carbon nanotube on electrode of dye-sensitized solar cells is about 9 μm, and gas passes
The aperture of porous silicon about 30~70nm in sensor；During test, which is put into 1m3Light tight hermetical testing container, take
100mW/cm2Xenon source simulated solar irradiation, the NO of various concentration is passed through into test container respectively2Gas.
The sensitivity of gas is represented with following formula：R%=(I0±It/I0) × 100%, in formula, in the feelings that light source power is constant
Under condition, I0Not to be passed through NO2When device in size of current, ItTo be passed through NO2Size of current when testing gas in device.
Test obtains, the optimal transformation efficiency about 11.7% of dye-sensitized solar cells, and test is sent out after repeating 2000 times
Existing, dye-sensitized solar cells transformation efficiency drops to 9.7%, reproducible；When about 40 DEG C of gas sensor operating temperature
When, selectivity and sensitivity to gas are put up the best performance, wherein, to NO2The detection limit of gas is 14ppm, right
The NO of 100ppm2, sensitivity 67, response time 15s；To NH3The detection limit of gas is 25ppm, to the NH of 100ppm3, spirit
Sensitivity is up to 36, response time 23s.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of range is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (1)
1. a kind of product open air presentation device based on high efficiency solar cell, it is characterised in that：Outside the presentation device
Portion surface installation detecting device, which is based on self energizing sensing element, and further includes data read module and gas
Identification module；The self energizing sensing element includes dye sensitization solar cell module (13) and gas sensor module (23)；
The dye sensitization solar cell module (13) including to electrode, light anode and be filled in it is described to electrode and light anode it
Between electrolyte (30), it is described to electrode include stainless steel base (10), the conductive catalytic layer close to stainless steel base (10)
(20), the carbon nanotube (50) being set on the conductive catalytic layer (20), the light anode include ITO electro-conductive glass substrates
(40) and the TiO in ITO electro-conductive glass substrate (40)2Particle and dye molecules (60), the TiO2The grain size of particle is
65nm, the length to carbon nanotube on electrode (50) are 7 μm；The gas sensor module (23) is including silicon chip substrate
(11), tungsten oxide nano (32) and Au electrodes (31), on the surface of the silicon chip substrate (11) corrosion have Porous Silicon area
(21), the surface vapor deposition of the Porous Silicon area has composite sensing of the tungsten oxide layer film with porous silicon together as detection gas
Material, the aperture of the porous silicon is 10~30nm；The dye sensitization solar cell module (13) and gas sensor mould
The specification that block (23) is set to surface and has the air admission hole (53) of an a diameter of 0.5cm is the rectangular of the aluminum of 5cm × 5cm × 1cm
In body frame (43), the dye sensitization solar cell module (13) passes through adhesive bonding to the appearance of the frame (43)
Face, and make light anode upward, the gas sensor module (23), data read module (33) are set in the frame (43)
Portion, the dye sensitization solar cell module (13), the gas sensor module (23) and data read module (33) are logical
Cross conducting wire connection；
The making of the dye sensitization solar cell module (13) includes the following steps：
S1：It it is prepared by electrode：1. selecting the stainless steel base (10) that the specification that thickness is 0.3mm is 5cm × 5cm, thrown with sand paper
Light is cleaned by ultrasonic successively by acetone, ethyl alcohol, deionized water；It is 2. gold-plated in stainless steel base (10) using magnetron sputtering method
Belong to Cr films and Ni films form conductive catalytic layer (20), the thickness of the Cr films is 300nm, and the thickness of the Ni films is 15nm；③
Utilize CVD method, CH4For carbon source, Ni is catalyst, grows carbon nanotube；
S2：The preparation of light anode：1. taking absolute ethyl alcohol 50ml, ethylene glycol amine 2ml respectively, make it fully in 50 DEG C of stirred in water bath
Mixing adds in butyl titanate 9ml in mixed solution, and 1h is stirred in continuation in a water bath, absolute ethyl alcohol 10ml is then added in, in water
1h is stirred in bath, 12h is stood, obtains TiO2Solution is filtered, dry；2. take the TiO of 5g steps 1. middle drying2Particle,
10ml ethyl alcohol, the mixing of 2ml acetylacetone,2,4-pentanediones are put into mortar and grind abundant, obtained TiO2Slurry；It is 3. suitable in taking step 2.
TiO2The specification of slurry blade coating after cleaning is in the ITO electro-conductive glass substrate (40) of 5cm × 5cm, by being handled at 110 DEG C
Then 2h is immersed in the ethanol solution of N719 6h to get light anode；
S3：Electrolyte quota：0.5M lithium iodides, 0.06M iodine, the tertiary yl pyridines of 0.1M 4- and 0.3M 1- propyl -3- methylimidazoles
Salt compounded of iodine, solvent are volume ratio 1:1 acetonitrile and propylene carbonate mixed liquor；
S4：Assembling：Electrode will be covered in light anode, and form 50 μm of cavity between the two, edge is encapsulated using insulator,
Electrolyte (30) is injected into cavity, forms dye sensitization solar cell module (13)；
The preparation of the gas sensor module (23) includes the following steps：
1. cutting silicon chip substrate (11) size to 2cm × 2cm, it is put into cleaning solution and is cleaned by ultrasonic 40min, cleaning solution is volume ratio
It is 3:1 98% concentrated sulfuric acid and 40% hydrogen peroxide；It takes out silicon chip substrate (11) to be rinsed well with deionized water, places into hydrofluoric acid
Middle immersion 10min, then it is cleaned by ultrasonic 20min respectively with acetone, ethyl alcohol, deionized water successively；
2. using electrochemical process corrosion of silicon, corrosive liquid is prepared, corrosive liquid is volume ratio 1:3 40% hydrofluoric acid and deionized water
Mixed liquor, corrosion current 45mA/cm2, etching time 1h, in silicon chip substrate (11) surface formation size 1.5cm × 1cm
Porous Silicon area (21)；
3. silicon chip substrate (11) is put into magnetic control sputtering device, one layer of tungsten film, thickness is deposited on its Porous Silicon area (21) surface
For 200nm, then silicon chip substrate (11) is put into tube furnace, seals and is passed through nitrogen under normal pressure, utilizes 450 DEG C of growths of CVD method
Tungsten oxide nano；
4. the Au electrodes (31) of two round point shapes, the Au electrodes are made on Porous Silicon area (21) using magnetron sputtering method
(31) a diameter of 1mm, thickness 100nm；
Module is sent to the controller being set to inside the detection device to the data read module (33) by radio communication
Module, the controller module module and GPRS module communication, and will be detected by the detection device by radio communication
Data value is transmitted to detection data base station；
Further, the self energizing sensing element is also set up there are one gas identification module (70), the gas identification module
(70) connected by conducting wire and the data read module (33), the gas identification module (70) mainly by outer housing (71) and
The gas detection means (72) being detachably connected with outer housing (71) are formed, and the gas detection means (72) control film by diffusion
Layer (73), instruction support powder (74) and glass tube (75) are formed；The preparation process of the gas detection means (72) is as follows：
S1：The processing and activation of carrier：The silica-gel carrier sieved is placed in 600 DEG C of Muffle furnaces and calcines 2h, after cooling, dress
Bottle is for use, wherein, the specification of silica-gel carrier is 90~100 mesh；
S2：Indicate the preparation of carrier：It measures a certain amount of original liquid to be put into a container, pours into a certain amount of activated carrier, side
Edged stirs, until being uniformly mixed, until supernatant liquor is less, after spontaneously drying in air, is fitted into closed container for use；
S3：The preparation of glass tube：Select the glass tube that internal diameter is uniform, transparency is good, specification is ID2.0mm × OD4.0mm, interception
Into several sections of the glass tube that length is 30mm, with sand paper by both sides feather plucking, then successively with suds, clear water, distilled water by glass
Glass pipe cleans up, and dries for use；
S4：The preparation of diffusion control film：Using the polyester film of 0.5mm thickness as diffusion control film, after polymer PET drying, mould is used
Tool strikes out the circular membrane that outer diameter is 2.0mm；
S5：The assembling of gas identification module：The side of control film adhesive bonding to glass tube will be spread, then weighed certain
Amount instruction support powder is slowly packed into glass tube to glass tube tight, and another side diffusion control film is bonded after smooth.
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Effective date of registration: 20200402 Address after: 201301 room 025, building 1, No. 9628, Hunan Road, Huinan Town, Pudong New Area, Shanghai Patentee after: SHANGHAI JIUNENG ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 362400 No. 19 South pit street, peach boat Township, Anxi County, Quanzhou, Fujian Patentee before: Zhang Xinxing |