CN106206036B - A kind of display device based on self energizing - Google Patents
A kind of display device based on self energizing Download PDFInfo
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- CN106206036B CN106206036B CN201610521693.8A CN201610521693A CN106206036B CN 106206036 B CN106206036 B CN 106206036B CN 201610521693 A CN201610521693 A CN 201610521693A CN 106206036 B CN106206036 B CN 106206036B
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Abstract
This application involves a kind of display device based on self energizing, including show ontology and solar panel, the show ontology is LED display, and the show ontology is electrically connected with solar panel；It is connected with battery between the show ontology and solar panel, is electrically connected between the show ontology and solar panel by conducting wire.
Description
Technical field
This application involves display field more particularly to a kind of display devices based on self energizing.
Background technique
The energy is all movable bases of production of human society, with the development of modern economy, demand of the mankind to the energy
Just become to increasingly sharpen.The reserves of traditional energy are limited, and content is becoming more and more exhausted, and since traditional energy exists
Using a large amount of toxic and harmful gas, solid etc. can be generated in the process, have become the arch-criminal of the environmental pollution got worse.
Based on this, develop the research emphasis that new and renewable energy is 21st century.Wherein, solar energy resources depend on the sun
Light is a kind of inexhaustible clean energy resource.In recent years, solar photovoltaic industry is developed rapidly, and exploitation is cheap, efficient
Solar battery have become the research hotspot of current academic activities, business activity.
Summary of the invention
To overcome the problems in correlation technique, the application provides a kind of display device based on self energizing.
The application is achieved through the following technical solutions：
A kind of display device based on self energizing, including show ontology and solar panel, the show ontology are LED
Display screen, the show ontology are electrically connected with solar panel.
Preferably, battery, the show ontology and the sun are connected between the show ontology and solar panel
It can be electrically connected between solar panel by conducting wire.
Preferably, the solar panel is connected with control device.
Preferably, the solar panel is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
The technical solution that embodiments herein provides can include the following benefits：
1. using the tungsten oxide nanometer of core-shell structure in the dye-sensitized solar cells light anode of display device of the invention
Wire material, wherein tungsten oxide belongs to semiconductor material with wide forbidden band, has excellent electric conductivity, can guarantee that electronics quickly passes
It is defeated；In addition, tungsten oxide nano uses core-shell structure, the compound of electronics can be effectively hindered, while the structure can be effective
Corrosion of the reduction acid dyes to tungsten oxide nano, improve the stability of dye cell；Dye-sensitized solar cells light sun
In extremely, soot-particles are adsorbed in the gap of core-shell structure tungsten oxide nano, form microballon-nanowire structure, the knot
Structure can effectively increase the scattering of sunlight, so that dyestuff greatly improves the absorptivity of sunlight, and then improve solar-electricity
The photoelectric conversion efficiency in pond.
2. in the electrolyte of the dye-sensitized solar cells of the display device of that present invention, joined TiO2 nanoparticle, this is received
The partial size of rice corpuscles is 30~70nm, scattering process can be played to sunlight, so that absorption efficiency of the dyestuff to sunlight
It improves, to improve the photoelectric conversion efficiency of the battery.
3. tungsten oxide nano has certain density in dye-sensitized solar cell anode, and using simple
Template realizes localization growth, easy to operate, low in cost, has certain market prospects.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the display device of that present invention structural schematic diagram.Wherein, 1- show ontology, 2- solar panel, 3- electric power storage
Pond, 4- control device.
Fig. 2 is dye-sensitized solar cells production flow diagram of the invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.For letter
Change disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
Purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or letter.It is this heavy
It is that for purposes of simplicity and clarity, itself is more than the relationship discussed between various embodiments and/or setting again.This
Outside, this application provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The use of the applicability and/or other materials of other techniques.In addition, fisrt feature described below is in Second Eigenvalue "upper"
Structure may include embodiment that the first and second features are formed as directly contacting, also may include that other feature is formed in
Embodiment between first and second features, such first and second feature may not be direct contact.
The energy is all movable bases of production of human society, with the development of modern economy, demand of the mankind to the energy
Just become to increasingly sharpen.The reserves of traditional energy are limited, and content is becoming more and more exhausted, and since traditional energy exists
Using a large amount of toxic and harmful gas, solid etc. can be generated in the process, have become the arch-criminal of the environmental pollution got worse.
Based on this, develop the research emphasis that new and renewable energy is 21st century.Wherein, solar energy resources depend on the sun
Light is a kind of inexhaustible clean energy resource.In recent years, solar photovoltaic industry is developed rapidly, and exploitation is cheap, efficient
Solar battery have become the research hotspot of current academic activities, business activity.
Dye-sensitized solar cells (DSSC) is a kind of electrooptical device of nanostructure, generally by five part groups
At respectively electrically conducting transparent substrate, Nanometer Semiconductor Films, dye sensitizing agent, electrolyte and to electrode.Dye sensitizing agent is realized
The function of light absorption, after dye molecule absorbs sunlight, electronics occurs transition and injects in the conduction band of Nanometer Semiconductor Films,
Then by flowing out through electrode, operating current is generated, hole stays in the dye molecule of oxidation state by the redox in electrolyte
To reduction, ground state is returned in dye molecule transition, to absorb photon again；The electrolyte of oxidation state is then diffused to electrode, due to
Catalyst film is coated with to electrode surface, reduction reaction occurs for electrolyte under the action of catalyst, so far completes optical electro-chemistry
The circulation of reaction.
Dye-sensitized solar cells are cheap since manufacturing process is simple, high-efficient, have very wide market and answer
Use prospect.However, can generate corrosiveness since electrolyte solution is generally in acidity to Nanometer Semiconductor Films, influence dyestuff
It is sensitized the job stability of solar cell；In addition, using TiO2 particle as nanometer half in general dye-sensitized solar cells
Conductor thin film easily causes the compound of electronics, to drop since the big specific surface area of TiO2 nanometer particle film and defect exist
Low photoelectric conversion efficiency.
The present invention is based on the light anode structures of dye-sensitized solar cells, first in the transparent electrode surface magnetic of light anode
The tungsten oxide film of control one layer of localization of sputtering is set by nanowire growth, and after nano wire is made into core-shell structure on its surface
It is equipped with glass microballoon structure, produces unexpected beneficial effect.
The present invention will be further explained with reference to the examples below.
Embodiment 1：
Such as Fig. 1, embodiments herein is related to a kind of display device based on self energizing, including show ontology 1 and the sun
Energy solar panel 2, the show ontology are LED display, and the show ontology 1 is electrically connected with solar panel 2.
Preferably, be connected with battery 3 between the show ontology 1 and solar panel 2, the show ontology 1 with
It is electrically connected between solar panel 2 by conducting wire.
Preferably, the solar panel is connected with control device 4.
Preferably, the solar panel 2 is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, in conjunction with Fig. 2, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
Preferably, in FTO substrate, when the tungsten oxide nanometer line length by thermal oxidation method growth is at 1~10 μm, diameter
50nm, density 109Root/cm2, dye-sensitized solar cells of the present invention are energy conversion devices, and performance test exists
It is tested for the property under the standard spectrum of AM1.5G, the shorted devices current density about 16.21mA/cm2, open-circuit voltage is about
0.74V, photovoltaic energy conversion efficiency is up to 18.6%；Its current attenuation is placed in an atmosphere less than 5% after duplicate measurements 500h
After 30 days, its energy conversion efficiency decays to initial value 94% is tested；Test shows the dye sensitization of solar electricity of the program
Pond current density is higher, and photoelectric conversion efficiency is higher, and device has good stability.
By test, dye-sensitized solar cells can efficiently realize photoelectric conversion in display device of the invention, and
And it is reproducible, decay it is small, the electric energy can be used to provide display device work or be stored in battery, be used as it is spare,
And the display device antifreezing effect is good, and the present invention realizes making full use of for sunlight, is effectively saved the energy.
Embodiment 2：
Such as Fig. 1, embodiments herein is related to a kind of display device based on self energizing, including show ontology 1 and the sun
Energy solar panel 2, the show ontology are LED display, and the show ontology 1 is electrically connected with solar panel 2.
Preferably, be connected with battery 3 between the show ontology 1 and solar panel 2, the show ontology 1 with
It is electrically connected between solar panel 2 by conducting wire.
Preferably, the solar panel is connected with control device 4.
Preferably, the solar panel 2 is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, in conjunction with Fig. 2, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
Preferably, in FTO substrate, when the tungsten oxide nanometer line length by thermal oxidation method growth is at 1~6 μm, diameter
60nm, density 108Root/cm2, dye-sensitized solar cells of the present invention are energy conversion devices, and performance test exists
It is tested for the property under the standard spectrum of AM1.5G, the shorted devices current density about 16.21mA/cm2, open-circuit voltage is about
0.74V, photovoltaic energy conversion efficiency is up to 17.9%；Its current attenuation is placed in an atmosphere less than 6% after duplicate measurements 500h
After 30 days, its energy conversion efficiency decays to initial value 94% is tested；Test shows the dye sensitization of solar electricity of the program
Pond current density is higher, and photoelectric conversion efficiency is higher, and device has good stability.
By test, dye-sensitized solar cells can efficiently realize photoelectric conversion in display device of the invention, and
And it is reproducible, decay it is small, the electric energy can be used to provide display device work or be stored in battery, be used as it is spare,
And the display device antifreezing effect is good, and the present invention realizes making full use of for sunlight, is effectively saved the energy.
Embodiment 3：
Such as Fig. 1, embodiments herein is related to a kind of display device based on self energizing, including show ontology 1 and the sun
Energy solar panel 2, the show ontology are LED display, and the show ontology 1 is electrically connected with solar panel 2.
Preferably, be connected with battery 3 between the show ontology 1 and solar panel 2, the show ontology 1 with
It is electrically connected between solar panel 2 by conducting wire.
Preferably, the solar panel is connected with control device 4.
Preferably, the solar panel 2 is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, in conjunction with Fig. 2, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
Preferably, in FTO substrate, when the tungsten oxide nanometer line length by thermal oxidation method growth is at 1~5 μm, diameter
70nm, density 109Root/cm2, dye-sensitized solar cells of the present invention are energy conversion devices, and performance test exists
It is tested for the property under the standard spectrum of AM1.5G, the shorted devices current density about 16.21mA/cm2, open-circuit voltage is about
0.74V, photovoltaic energy conversion efficiency is up to 17.2%；Its current attenuation is placed in an atmosphere less than 6% after duplicate measurements 500h
After 30 days, its energy conversion efficiency decays to initial value 94% is tested；Test shows the dye sensitization of solar electricity of the program
Pond current density is higher, and photoelectric conversion efficiency is higher, and device has good stability.
By test, dye-sensitized solar cells can efficiently realize photoelectric conversion in display device of the invention, and
And it is reproducible, decay it is small, the electric energy can be used to provide display device work or be stored in battery, be used as it is spare,
And the display device antifreezing effect is good, and the present invention realizes making full use of for sunlight, is effectively saved the energy.
Embodiment 4：
Such as Fig. 1, embodiments herein is related to a kind of display device based on self energizing, including show ontology 1 and the sun
Energy solar panel 2, the show ontology are LED display, and the show ontology 1 is electrically connected with solar panel 2.
Preferably, be connected with battery 3 between the show ontology 1 and solar panel 2, the show ontology 1 with
It is electrically connected between solar panel 2 by conducting wire.
Preferably, the solar panel is connected with control device 4.
Preferably, the solar panel 2 is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, in conjunction with Fig. 2, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
Preferably, in FTO substrate, when the tungsten oxide nanometer line length by thermal oxidation method growth is at 1~4 μm, diameter
80nm, density 109Root/cm2, dye-sensitized solar cells of the present invention are energy conversion devices, and performance test exists
It is tested for the property under the standard spectrum of AM1.5G, the shorted devices current density about 16.21mA/cm2, open-circuit voltage is about
0.74V, photovoltaic energy conversion efficiency is up to 15.1%；Its current attenuation is placed in an atmosphere less than 6% after duplicate measurements 500h
After 30 days, its energy conversion efficiency decays to initial value 94% is tested；Test shows the dye sensitization of solar electricity of the program
Pond current density is higher, and photoelectric conversion efficiency is higher, and device has good stability.
By test, dye-sensitized solar cells can efficiently realize photoelectric conversion in display device of the invention, and
And it is reproducible, decay it is small, the electric energy can be used to provide display device work or be stored in battery, be used as it is spare,
And the display device antifreezing effect is good, and the present invention realizes making full use of for sunlight, is effectively saved the energy.
Embodiment 5：
Such as Fig. 1, embodiments herein is related to a kind of display device based on self energizing, including show ontology 1 and the sun
Energy solar panel 2, the show ontology are LED display, and the show ontology 1 is electrically connected with solar panel 2.
Preferably, be connected with battery 3 between the show ontology 1 and solar panel 2, the show ontology 1 with
It is electrically connected between solar panel 2 by conducting wire.
Preferably, the solar panel is connected with control device 4.
Preferably, the solar panel 2 is based on dye-sensitized solar cells, and the dye-sensitized solar cells are by light
Anode constitutes electrode and electrolyte；The structure of the light anode is FTO substrate from outside to inside, is grown on FTO substrate surface
Tungsten oxide nano, the glass microballoon coated on tungsten oxide nano bottom；The tungsten oxide nano is core-shell structure, core
For tungsten oxide nano, shell is titanium oxide；Described is FTO substrate, reflective layer, Pt Catalytic Layer from outside to inside to electrode；It is described
Antifreezing agent normal propyl alcohol is added in electrolyte.
Preferably, in conjunction with Fig. 2, the preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, is used
The conductive one side of ultra-clean cloth wiping FTO for speckling with dish washing liquid, removes the impurity such as greasy dirt, dust existing for surface, then uses deionization
Water repeated flushing for several times, until dish washing liquid is cleaned up, is put it into ozone clean machine, ozone treatment 10min, then according to
It is cleaned by ultrasonic 30min respectively according to the sequence of acetone, ethyl alcohol, deionized water, is dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Tungsten film grows source as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, in magnetron sputtering process
Ceramic template is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, magnetron sputtering electric current
For 2A；Tungsten oxide nano growth uses thermal oxidation process, and the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace,
Under the protection of inert gas, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added 1ml's
C16H36O4Ti is stirred evenly under 70 DEG C of water-baths, has the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth,
11s is stood, is then quickly removed, which repeats five times, can guarantee that nanowire surface adequately superscribes
The sample of taking-up is then had core-shell structure tungsten oxide nano by shell structure to obtain the final product after 400 DEG C of annealing 1h, natural cooling
FTO substrate；
Step 2 adsorbs glass microballoon：
The glass microballoon (Glass Bead Diameter is 5~10 μm) for taking 20g to buy is cleaned with deionized water, dry, is added to
It is filtered by vacuum after magnetic agitation 20min in the hydrofluoric acid solution of 20mol/l, it is dry after being cleaned with deionized water to neutrality, it removes
Ionized water 100ml sequentially adds 2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles, and ammonium hydroxide is then added and adjusts pH
Value is 6, dry glass microballoon is added in above-mentioned solution, at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned solution, stands at 80 DEG C of water-bath
5h can form glass microballoon combination core-shell structure tungsten oxide nano-material in FTO substrate surface.
Step 3 is prepared to electrode：
The FTO electro-conductive glass for choosing size identical as light anode, then in one layer of Ag of its surface magnetic control sputtering, as reflective
Then Pt catalyst layer is deposited with a thickness of 300nm in layer, Ag again, Pt catalyst layer thickness is 50nm.
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：Weigh the acetonitrile solution of 100ml first, thereto plus
Entering the lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M is protected from light ultrasonic 5min,
It dissolves it sufficiently, then weighs the nano TiO 2 nanoparticle of 8g, under 70 degrees Celsius of water-bath, TiO2 nanoparticle is added
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h.It takes the dye solution of above-mentioned preparation to be put into brown glass ware, FTO substrate is then entered into the brown glass
It in ware, is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material is using heat-sealing
Film encapsulates aperture, it is quick to form improvement type dye of the invention for connecting wire by electrolyte from the aperture injection to electrode one end
Change solar battery.
Preferably, in FTO substrate, when the tungsten oxide nanometer line length by thermal oxidation method growth is at 5~10 μm, diameter
90nm, density 108Root/cm2, dye-sensitized solar cells of the present invention are energy conversion devices, and performance test exists
It is tested for the property under the standard spectrum of AM1.5G, the shorted devices current density about 16.21mA/cm2, open-circuit voltage is about
0.74V, photovoltaic energy conversion efficiency is up to 15.4%；Its current attenuation is placed in an atmosphere less than 8% after duplicate measurements 500h
After 30 days, its energy conversion efficiency decays to initial value 94% is tested；Test shows the dye sensitization of solar electricity of the program
Pond current density is higher, and photoelectric conversion efficiency is higher, and device has good stability.
By test, dye-sensitized solar cells can efficiently realize photoelectric conversion in display device of the invention, and
And it is reproducible, decay it is small, the electric energy can be used to provide display device work or be stored in battery, be used as it is spare,
And the display device antifreezing effect is good, and the present invention realizes making full use of for sunlight, is effectively saved the energy.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (3)
1. a kind of display device based on self energizing, including show ontology and solar panel, which is characterized in that the display
Ontology is LED display, and the show ontology is electrically connected with solar panel；The solar panel is based on dye sensitization
Solar cell, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte；The structure of the light anode includes
FTO substrate, the tungsten oxide nano for being grown on FTO substrate surface, the glass microballoon for being adsorbed in tungsten oxide nano bottom；It is described
Tungsten oxide nano is core-shell structure, and core is tungsten oxide nano, and shell is titanium oxide；Described is FTO from outside to inside to electrode
Substrate, reflective layer, Pt Catalytic Layer；Antifreezing agent normal propyl alcohol is added in the electrolyte；
The preparation step of the dye-sensitized solar cells is as follows：
Step 1 makes FTO substrate：
A) FTO substrate is cleaned：Select FTO electro-conductive glass as the substrate of light anode, firstly, cutting FTO electro-conductive glass, with speckling with
The conductive one side of ultra-clean cloth wiping FTO of dish washing liquid, removes greasy dirt, dust impurity existing for surface, then repeatedly with deionized water
It rinses for several times, until dish washing liquid is cleaned up, puts it into ozone clean machine, ozone treatment 10min, then according to third
Ketone, ethyl alcohol, deionized water sequence be cleaned by ultrasonic 30min respectively, dried up with nitrogen gun stand-by；
B) tungsten oxide nano is grown：The metal tungsten film of one layer of 150nm thickness is deposited on the surface FTO using magnetron sputtering technology
Source is grown as tungsten oxide nano, while realizing that the localization of tungsten film is grown using ceramic template, it will pottery in magnetron sputtering process
Ceramic former plate is attached to the surface FTO, wherein the pore diameter of ceramic template is 2 μm, and spacing is 50 μm, and magnetron sputtering electric current is 2A；
Tungsten oxide nano growth uses thermal oxidation process, the FTO electro-conductive glass for being coated with tungsten film is put into thermal evaporation furnace, in indifferent gas
Under the protection of body, 400 DEG C of heat preservation 5h are taken out after natural cooling；
C) core-shell structure tungsten oxide nano is prepared：The ethanol solution for weighing 100ml, is added the C of 1ml16H36O4Ti, 70
It is stirred evenly under DEG C water-bath, there is the FTO electro-conductive glass of tungsten oxide nano to be put into solution growth, stand 11s, then quickly
It takes out, which is put into solution-standing-taking-up process and repeats five times, can guarantee that nanowire surface is adequately wrapped
Shell structure is wrapped, the sample of taking-up is then had to core-shell structure tungsten oxide nanometer to obtain the final product after 400 DEG C of annealing 1h, natural cooling
The FTO substrate of line；
Step 2 adsorbs glass microballoon：
The diameter for taking 20g to buy is that 5~10 μm of glass microballoons are cleaned with deionized water, dry, is added to the hydrofluoric acid of 20mol/l
It is filtered by vacuum after magnetic agitation 20min in solution, it is dry after being cleaned with deionized water to neutrality, ionized water 100ml is removed, successively
2.5g sodium citrate, 2.2g ammonium sulfate and 5g nano silver particles are added, it is 6 that ammonium hydroxide, which is then added, and adjusts pH value, obtains mixing molten
Dry glass microballoon is added in above-mentioned mixed solution liquid, and at 60 DEG C, magnetic agitation 2h is cooled to room temperature after reaction；It will
FTO substrate obtained in step 1 with core-shell structure tungsten oxide nano immerses in above-mentioned mixed solution, at 80 DEG C of water-bath
5h is stood, glass microballoon combination core-shell structure tungsten oxide nano-material can be formed in FTO substrate surface；
Step 3 is prepared to electrode：
The FTO electro-conductive glass of identical as light anode size is chosen, then in one layer of Ag of its surface magnetic control sputtering, as reflective layer,
Then Pt catalyst layer is deposited with a thickness of 300nm in Ag again, Pt catalyst layer thickness is 50nm；
Step 4 assembles dye-sensitized solar cells：
Electrolyte applies traditional three anion electrolyte of iodine/iodine：The acetonitrile solution for weighing 100ml first, is added thereto
The lithium iodide of 0.1M, 0.1M iodine, the tetrabutylammonium iodide of 0.6M 4- tert .-butylpyridine and 0.6M are protected from light ultrasonic 5min, make
It is sufficiently dissolved, and then weighs the nano-TiO of 8g2Nanoparticle, under 70 degrees Celsius of water-bath, by TiO2Electricity is added in nanoparticle
In electrolyte solution, it is eventually adding 5ml antifreezing agent normal propyl alcohol, ultrasonic 30min is mixed them thoroughly uniformly；
Dye solution：N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, is sufficiently dissolved, is protected from light
Stir 12h；It takes the dye solution of above-mentioned preparation to be put into brown glass ware, then immerses FTO substrate in the brown glass ware,
It is protected from light and is sensitized 3h at 60 DEG C, take out, be then packaged together to electrode and the light anode, encapsulating material uses heat-sealing film, will
Electrolyte encapsulates aperture, connecting wire forms the dye-sensitized solar cells from the aperture injection to electrode one end.
2. display device according to claim 1, which is characterized in that connect between the show ontology and solar panel
It is connected to battery, is electrically connected between the show ontology and solar panel by conducting wire.
3. display device according to claim 2, which is characterized in that the solar panel is connected with control device.
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