CN106206045A - Backlight type DSSC and preparation method thereof - Google Patents
Backlight type DSSC and preparation method thereof Download PDFInfo
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- CN106206045A CN106206045A CN201610885081.7A CN201610885081A CN106206045A CN 106206045 A CN106206045 A CN 106206045A CN 201610885081 A CN201610885081 A CN 201610885081A CN 106206045 A CN106206045 A CN 106206045A
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- titanium dioxide
- dielectric film
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- platinum
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 151
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 55
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 44
- 239000003792 electrolyte Substances 0.000 claims abstract description 43
- 238000007639 printing Methods 0.000 claims abstract description 18
- 235000010215 titanium dioxide Nutrition 0.000 claims description 52
- 229960005196 titanium dioxide Drugs 0.000 claims description 51
- 239000000975 dye Substances 0.000 claims description 41
- 239000002131 composite material Substances 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 16
- 229930002875 chlorophyll Natural products 0.000 claims description 15
- 235000019804 chlorophyll Nutrition 0.000 claims description 15
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 claims description 15
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 241000219315 Spinacia Species 0.000 claims description 12
- 235000009337 Spinacia oleracea Nutrition 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000000049 pigment Substances 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 235000011152 sodium sulphate Nutrition 0.000 claims description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 238000007743 anodising Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 21
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 22
- 238000010276 construction Methods 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Substances CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 8
- 238000000113 differential scanning calorimetry Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007832 Na2SO4 Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229960004756 ethanol Drugs 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005622 photoelectricity Effects 0.000 description 4
- YSHMQTRICHYLGF-UHFFFAOYSA-N 4-tert-butylpyridine Chemical compound CC(C)(C)C1=CC=NC=C1 YSHMQTRICHYLGF-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000010351 charge transfer process Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical group [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000469 ethanolic extract Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2022—Light-sensitive devices characterized by he counter electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2004—Light-sensitive devices characterised by the electrolyte, e.g. comprising an organic electrolyte
- H01G9/2013—Light-sensitive devices characterised by the electrolyte, e.g. comprising an organic electrolyte the electrolyte comprising ionic liquids, e.g. alkyl imidazolium iodide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
-
- 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
- Y02E10/542—Dye sensitized solar cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Photovoltaic Devices (AREA)
- Hybrid Cells (AREA)
Abstract
The present invention provides a kind of backlight type DSSC and preparation method thereof, described solaode, including the titanium dioxide photo anode structure set gradually, platinum is to electrode and printing opacity confining bed, described titanium dioxide photo anode structure includes titanium dioxide photo anode, the at least side of described titanium dioxide photo anode is provided with dielectric film, and the dielectric film of the side of described titanium dioxide photo anode is provided with the first through hole, electrode is located on the dielectric film being provided with the first through hole by described platinum, described platinum is provided with the second through hole to electrode, described second through hole is correspondingly arranged with described first through hole, described first through hole and the second through hole surround cavity with described printing opacity confining bed, described cavity is filled with electrolyte.The structure of the backlight type DSSC in the present invention can reduce the contact resistance between electrode and circuit, and preparation method is simple, and the solar battery structure obtained can reduce the invalid absorption to luminous energy of the backlight type battery, improves electricity conversion.
Description
Technical field
The present invention relates to a kind of solaode and preparation method thereof, be specifically related to a kind of backlight type dye sensitization of solar
Battery and preparation method thereof.
Background technology
DSSC (DSCs) mainly by through the semiconductor optical anode of dye molecule surface sensitizing, negative electrode and
Electrolyte etc. build composition.Operation principle can be summarized simply as follows light anode material after illumination, mainly by dye molecule absorbing light
Son produces and excites electronics, and is rapidly injected in the conduction band of quasiconductor, and electronics migrates to external circuit through light anode and arrives negative electrode shape
Become electric current；The most oxidized dye molecule supplies electronics by the oxidation-reduction pair of electrolyte and is regenerated.DSCs at present
Structure can be divided into direct-injection type and backlight type two types because of input path difference.Direct-injection type DSCs feature is that light is directly from light
Anode side is injected, and arrives at dye molecule through anode material；Its light absorption process is not subject to electrode and Influence of Electrolyte, can
To reduce optical energy loss；But its light anode construction is more complicated, light induced electron transmits between three kinds of composition materials and also can exist relatively
Big resistance.Backlight type is then that light is injected from cathode side, arrives photoanode surface dye molecule after negative electrode and electrolyte
Place.It is characterized in that light needed guiding through electrode and electrolyte before arriving the dyestuff of anode surface, and both is to light
Absorb the capacity usage ratio that then can reduce battery；But then, owing to light anode is without printing opacity requirement, therefore, backlight type DSCs
Light anode can take relatively simple version and material, it is achieved light induced electron high efficiency of transmission on anode.
Currently for design and the improvement of backlight type DSSC, should be while keeping its advantage, to the greatest extent
Amount reduces negative electrode and the electrolyte invalid absorption to incident illumination, could improve battery efficiency.Accordingly, it would be desirable to it is quick for backlight type dye
The satisfactory cathode construction of battery design and electrolyte, to meet above-mentioned purpose.
Summary of the invention
Therefore, it is an object of the invention to provide a kind of backlight type DSSC and preparation method thereof, thus
The contact resistance between electrode and circuit can be reduced to a great extent, improve the electricity conversion of electrode, simple in construction, can subtract
The few backlight type battery invalid absorption to luminous energy, improves electricity conversion.
Unless specifically stated otherwise, " cathode material ", " cathode construction ", " cell cathode " herein refers both to " platinum is to electrode ".
On the one hand, the present invention provides a kind of backlight type DSSC, including the titanium dioxide set gradually
Light anode construction, platinum are to electrode and printing opacity confining bed, and described titanium dioxide photo anode structure includes titanium dioxide photo anode, described
At least side of titanium dioxide photo anode is provided with dielectric film, and the dielectric film of the side of described titanium dioxide photo anode is provided with
One through hole, electrode is located on the dielectric film being provided with the first through hole by described platinum, and described platinum is provided with the second through hole to electrode, described
Second through hole is correspondingly arranged with described first through hole, and described first through hole and the second through hole surround sky with described printing opacity confining bed
Chamber, is filled with electrolyte in described cavity；Between the described dielectric film being provided with the first through hole and described titanium dioxide photo anode also
It is provided with dye coating.
Preferably, the diameter of described second through hole, less than the diameter of described first through hole, can make cell cathode and electrolyte
Effectively contact area increases, thus promotes charge transfer process between the two, finally improves battery efficiency.
Preferably, the both sides of described titanium dioxide photo anode are equipped with dielectric film, and both sides are equipped with dielectric film and are prevented from
Pollute and the interference of other factors, during the photo electric of solaode measures, obtain measurement result more accurately.
Preferably, the side of described titanium dioxide photo anode one end contacts with the side of described dye coating one end, in order to
It is coated with by dielectric film in carrying out, makes to measure, at the photo electric of solaode, the measurement result that process obtains more accurate, described
The titanium dioxide photo anode other end is arranged on outside the described dye coating other end, it is simple to be connected with external circuit, it is simple to external circuit
Connect, and the electricity conversion of the battery prepared is higher.
Preferably, one end of described titanium dioxide photo anode is coated in described dielectric film, described titanium dioxide photo anode
The other end be arranged on outside described dielectric film, be more convenient for being connected with external circuit, and the electricity conversion of the battery prepared
Higher.
It is highly preferred that the one end outside dielectric film that is located at of described titanium dioxide photo anode is additionally provided with positive wire.
Preferably, described platinum is provided with the extension being integral with arranging to one end of electrode, and described extension is located at institute
The outside of the dielectric film stating printing opacity confining bed and be provided with the first through hole, it is simple to be connected with external circuit, and the light of the battery prepared
Electricity transformation efficiency is higher.
Preferably, described extension is provided with cathode wire.
Preferably, described dielectric film is waterproof insulation film.
Preferably, described waterproof insulation film is made up of plastics or rubber.
Preferably, described printing opacity confining bed is made up of glass or quartz glass.
The backlight type DSSC of the present invention, reduces the contact resistance between electrode and circuit, improves electrode
Electricity conversion, simple in construction, can reduce the invalid absorption to luminous energy of the backlight type battery, improve electricity conversion；Letter
Change battery structure, reduce battery cost；And by being provided with the platinum of the second through hole to electrode design, make light extend only through very thin
Electrolyte layer can arrive at the dye coating of photoanode surface, thus further avoid the male or female material nothing to light
Effect absorbs, and improves electricity conversion.
On the other hand, the present invention also provides for the preparation method of a kind of above-mentioned backlight type DSSC, bag
Include following steps:
1) use anodizing with metal titanium sheet for raw material prepare internal layer as Titanium, surface layer is as TiO2Ti-TiO2
Composite, then the Ti-TiO by preparation2The side of composite forms dye coating, the most again by described Ti-TiO2Composite
The side with dye coating cover the dielectric film being provided with the first through hole in the middle of upper, and make Ti-TiO2The side dew of composite
Go out 1.5～2.5mm, will be covered with the Ti-TiO of dielectric film2The exposed portion of composite side be polishing to remove dye coating and
Titanium dioxide layer, the most again at the exposed portion welding lead of polishing, obtains titanium dioxide photo anode structure；
2) depletion belongs to platinized platinum, suitably cuts out by titanium dioxide photo anode size, obtains the metal platinized platinum after cutting, then
Offer the second through hole in the middle of metal platinized platinum after described cutting, and make the diameter of the second through hole be less than the diameter of the first through hole,
At the metal platinized platinum side welding lead of described perforate, obtain platinum to electrode；
3) using deionized water as solvent, sodium sulfate (Na is configured2SO4) aqueous solution is as the electrolyte of battery；
4) electrode covering is provided with by described platinum in described titanium dioxide photo anode structure the dielectric film of the first through hole
Side, and make corresponding first through hole of described second through hole, more described electrolyte injects and fills it up with the position of first and second through hole,
After cover upper printing opacity confining bed again and compress.
Preferably, in step 1) in, described Ti-TiO2The side of composite is formed by the method comprised the steps
Dye coating: by described Ti-TiO2Composite is at the Spinach Leaf pigment alcohol steep that chlorophyll content is 0.7～7120 μ g/L
Liquid soaks 24 hours, obtains being provided with the Ti-TiO of chlorophyll dye coating2Composite, then it is provided with chlorophyll dye coating by described
Ti-TiO2Composite cleans, and is dried, and obtains side and forms the Ti-TiO of dye coating2Composite.
It is highly preferred that the chlorophyll content in described Spinach Leaf pigment alcohol extract is 0.7123～100 μ g/L.
It is further preferred that described chlorophyll content is 0.7123～71.23 μ g/L, it is further preferred that described chlorophyll contains
Amount is preferably 71.23 μ g/L.
Preferably, in step 3) in, in described solution, the concentration of electrolyte sodium sulfate is: 0.005～2.0mol/L, preferably
It is 0.01～1.0mol/L, more preferably 0.1mol/L.
The preparation method of the backlight type DSSC of the present invention, preparation method is simple, the solar energy obtained
Battery structure can reduce the invalid absorption to luminous energy of the backlight type battery, improves electricity conversion；First light is through printing opacity
After confining bed, cathode aperture structure (the second through hole) can be passed through directly through, it is to avoid cathode material to the absorption of light and resistance
Gear；And with I-/I3 -Acetonitrile solution and I-/I3 -Aqueous solution electrolysis liquid phase ratio, Na2SO4Aqueous solution water white transparency, absorbance is extremely low,
At utmost reducing the electrolyte invalid absorption to light, and Na2SO4Aqueous solution is a kind of new DSCs electrolyte system
System, and show that the solaode that the electrolyte of this new system is made has more preferable photoelectric conversion and imitates by verification experimental verification
Rate；Furthermore, by soaking in the Spinach Leaf pigment alcohol extract that chlorophyll content is 0.7～7120 μ g/L, prepare leaf
Verdazulene sensitized titanium dioxide light anode construction, when light arrives at photoanode surface, the chlorophyll molecule absorbing light of suitable concn
Son also transmits energy to titania molecule and consumes its photohole, and the light induced electron making titanium dioxide produce increases, from carrying
High battery monochromatic light electricity conversion (IPCE) and total transformation efficiency (η), can promote titania molecule capture photon
And photoelectric conversion process, while improving its monochromatic light electricity conversion, reduce cost of dye, and more environmentally-friendly, Ye Lv
Cellulose content is in the range of 0.7123～71.23 μ g/L, it is possible to reach preferably effect, and electricity conversion is higher；Above-mentioned three
Separation structure and component complement each other, and creatively change the system of whole solaode, and are found by experiment that have
The solaode of these new systems has higher photoelectric properties.
Accompanying drawing explanation
Hereinafter, describe embodiment of the present invention in detail in conjunction with accompanying drawing, wherein:
Fig. 1 is the structural representation of the backlight type DSSC of the present invention；
Fig. 2 is that the monochromatic light photoelectricity of the variable concentrations chlorophyll sensitization solar battery of embodiments of the invention 1 preparation turns
Change efficiency collection of illustrative plates；
Fig. 3 is the output photoelectric current density pass with concentration of electrolyte of the solaode of embodiments of the invention 2 preparation
It it is curve；
Fig. 4 is the monochromatic light electricity conversion of the solaode of the different electrolytes of embodiments of the invention 3 preparation
Collection of illustrative plates；
Fig. 5 is the I-V curve of the solaode of the different electrolytes of embodiments of the invention 3 preparation；
Wherein:
1. titanium dioxide photo anode, 2. platinum is to electrode, 201. second through holes, and 202. extensions, 3. printing opacity confining bed are the most exhausted
Velum, 401. first through hole, 5. dye coating, 6. positive wires, 6 '. cathode wire, 7. electrolyte.
Detailed description of the invention
Below in the way of specific embodiment, the present invention is further described.
As it is shown in figure 1, the backlight type DSSC that the embodiment of the present invention provides, including two set gradually
Photocatalytic titanium oxide anode construction, platinum include titanium dioxide photo anode to electrode 2 and printing opacity confining bed 3, titanium dioxide photo anode structure
1, at least side of titanium dioxide photo anode 1 is provided with dielectric film 4, and the dielectric film 4 of the side of titanium dioxide photo anode 1 is provided with
First through hole 401, electrode 2 is located on the dielectric film 4 being provided with the first through hole 401 by platinum, and platinum is provided with the second through hole to electrode 2
201, the second through hole 201 is correspondingly arranged with the first through hole 401, and the diameter (d2) of the second through hole 201 is less than the first through hole 401
Diameter (d1), the first through hole 401 and the second through hole 201 surround cavity with printing opacity confining bed 3, are filled with electrolyte 7 in cavity, if
Have between the dielectric film 4 of the first through hole and titanium dioxide photo anode 1 and be additionally provided with dye coating 5.
In above-described embodiment, the diameter of the second through hole 201, less than the diameter of the first through hole 401, can make cell cathode and electricity
Solve the effective contact area of liquid to increase, thus promote charge transfer process between the two, finally improve battery efficiency.
In above-described embodiment, the both sides of titanium dioxide photo anode 1 are equipped with dielectric film 4, and both sides are equipped with dielectric film can
Prevent from polluting and the interference of other factors, during the photo electric of solaode measures, obtain measurement result more accurately.
In above-described embodiment, the side of titanium dioxide photo anode 1 one end contacts with the side of dye coating 5 one end, in order to
It is coated with by dielectric film in carrying out, makes to measure, at the photo electric of solaode, the measurement result that process obtains more accurate, dioxy
Change titanium light anode 1 other end to be arranged on outside dye coating 5 other end, it is simple to be connected with external circuit, and the light of the battery prepared
Electricity transformation efficiency is higher.
In above-described embodiment, one end of titanium dioxide photo anode 1 is coated in dielectric film 4, titanium dioxide photo anode 1 another
One end is arranged on outside dielectric film 4, it is simple to be connected with external circuit, and the electricity conversion of the battery prepared is higher.
In above-described embodiment, the one end outside dielectric film 4 that is located at of titanium dioxide photo anode 1 is additionally provided with positive wire 6.
In above-described embodiment, platinum is provided with the extension 202 being integral with arranging to one end of electrode 2, and extension 202 sets
In printing opacity confining bed 3 and the outside of the dielectric film 4 being provided with the first through hole.When being embodied as, extension 202 is provided with cathode wire
6′。
In above-described embodiment, dielectric film 4 is waterproof insulation film.When being embodied as, waterproof insulation film is by plastics or rubber system
Become, such as, can be adhesive waterproof tape or diaphragm seal.
In above-described embodiment, printing opacity confining bed 3 is made up of glass or quartz glass.
To sum up: the backlight type DSSC of the present invention, it is possible to be substantially reduced between electrode with circuit contacts
Resistance, reduces the invalid absorption to luminous energy of the backlight type battery, improves electricity conversion；And by being provided with the platinum of the second through hole
Design to electrode, makes light extend only through very thin electrolyte layer and can arrive at the dye coating of photoanode surface, thus avoid
The invalid absorption to light of the male or female material, improves electricity conversion, simplifies battery structure in addition, reduces battery and becomes
This.
Unless specifically stated otherwise, reagent used in following example and medicine all can from regular distributor available from.
Embodiment 1
1) use anodizing with metal titanium sheet for raw material prepare internal layer as Titanium, surface layer is as TiO2Ti-TiO2
Composite.
2) choose fresh Spinach Leaf, extract through dehydrated alcohol after smashing to pieces, obtain the leaching of Spinach Leaf chlorophyllous ethanol
Extract.By Ti-TiO2Composite is immersed in 71.23 μ g/L Spinach Leaf pigment alcohol extracts 24 hours, after taking-up point
Not Yong ethanol and deionized water rinsing, after normal temperature drying, obtain side formed dye coating Ti-TiO2Composite；In inciting somebody to action again
Between the punch adhesive waterproof tape of (diameter > 8mm) be attached to Ti-TiO2Composite there is dye coating side, and at Ti-TiO2Multiple
The opposite side of condensation material directly attaches adhesive waterproof tape, and under at one end cutting out, adhesive tape wide for about 2mm makes Ti-TiO2Composite exposes.
Exposed portion is polished off surface oxide layer, thereon spot welding wire, i.e. obtain titanium dioxide photo anode structure.
3) depletion belongs to platinized platinum, is cut into rectangle by light anode dimension size.Punching (diameter d in the middle of metal platinized platinum2<d1),
Welding lead at long side edge, is platinum to electrode (cell cathode).
4) configuration aqueous sodium persulfate solution is as the electrolyte of battery.Electrolyte is using deionized water as solvent, electric in solution
The concentration solving matter is: sodium sulfate (Na2SO4)0.1mol/L.The assembling of battery is by being from bottom to up: the marine glue of light anode construction
Band perforate is placed in the bottom on the side；Electrode is kept flat on it by platinum, and keeps platinum waterproof with light anode to the electrode center of circle
Align in the adhesive tape perforate center of circle；Injecting the electrolyte into and fill it up with above-mentioned circular hole position, the superiors cover quartz glass and compress, the completeest
Become the assembling of solaode.
In said process, other conditions keep constant, only will soak Ti-TiO2The Spinach Leaf pigment ethanol of composite
Lixiviating solution concentration is changed to 7123 μ g/L, 7.123 μ g/L and 0.7123 μ g/L by 71.23 μ g/L, prepares three kinds of titanium-dioxide photos
Anode construction.Titanium dioxide photo anode structure and other materials are assembled into solaode, use 450W xenon lamp, monochromator
(U.S. chin or cheek light science and technology CT110) and 2273 potentiostats (U.S. A Meiteke PARSTAT) photoelectricity be used in conjunction test system (see:
Zhang Shenghan, beam is satisfying, Tan Yu, the preparation of the TiO_2 nano-tube array that different shape is cerium modified and visible ray photoelectric respone thereof
Matter, Acta PhySico-Chimica Sinica, 2011,27 (11), 2726), measure cell light electric current, obtain battery monochromatic light electricity conversion figure
Spectrum, result is as shown in Figure 2.
Figure it is seen that there is the most best work when the pigment solution sensitized photoelectrodes that concentration is 71.23 μ g/L
By effect, its IPCE value (photoelectric transformation efficiency) is the highest, the average raising 2.72 times relative to before sensitization；Concentration is less than 71.23 μ g/
The dye-sensitized effect of L i.e. reduces with solution concentration and weakens, when concentration is more than 71.23 μ g/L to 7123 μ g/L, and its IPCE
Value also declines substantially.Thus explanation is when the concentration of Spinach Leaf pigment alcohol extract sensitizer is 71.23 μ g/L, it is possible to system
Obtain backlight type DSSC high for IPCE.
Embodiment 2
1) use anodizing with metal titanium sheet for raw material prepare internal layer as Titanium, surface layer is as TiO2Ti-TiO2
Composite.
2) by Ti-TiO2Composite exposed part is immersed in 71.23 μ g/L Spinach Leaf pigment alcohol extracts 24
Hour, respectively with ethanol and deionized water rinsing after taking-up, after normal temperature drying, obtain side and form the Ti-TiO of dye coating2Multiple
Condensation material；The adhesive waterproof tape of (diameter > 8mm) of being punched centre again is attached to Ti-TiO2Composite there is dye coating side,
And at Ti-TiO2The opposite side of composite directly attaches adhesive waterproof tape, at Ti-TiO2About 2mm width under one end sanction of composite
Diaphragm seal make Ti-TiO2Composite exposes.Exposed portion is polished off surface oxide layer, thereon spot welding wire, i.e. make
For titanium dioxide photo anode structure.
3) depletion belongs to platinized platinum, is cut into rectangle by light anode dimension size.Punching (diameter d in the middle of metal platinized platinum2<d1),
Welding lead at long side edge, is platinum to electrode (cell cathode).
4) configuration aqueous sodium persulfate solution is as the electrolyte of battery.Electrolyte is using deionized water as solvent, electric in solution
Solve matter and additive concentration is: sodium sulfate (Na2SO4)0.1mol/L.The assembling of battery is by being from bottom to up: light anode construction
Diaphragm seal perforate be placed in the bottom on the side；Electrode is kept flat on it by platinum, and keeps platinum to the electrode center of circle and light sun
The sealing film strips perforate center of circle alignment of electrode structure；Injecting the electrolyte into and fill it up with above-mentioned circular hole position, the superiors cover quartz glass
Glass also compresses, and i.e. completes the assembling of solaode.
In said process, other conditions keep constant, only by battery electrolyte sodium sulfate (Na2SO4) concentration is by 0.1mol/L
It is changed to 2.0mol/L, 1.0mol/L, 0.5mol/L, 0.05mol/L, 0.01mol/L and 0.005mol/L, prepares five kinds of sulphuric acid
Sodium water solution electrolyte backlight type DSSC.Electrode and other materials are assembled into solaode, use
450W xenon lamp, monochromator (U.S.'s chin or cheek light science and technology CT110) and 2273 potentiostats (U.S. A Meiteke PARSTAT) photoelectricity are used in conjunction
Test system [1], measures cell light electric current, obtains battery variable concentrations electrolyte and density of photocurrent relation curve, and result is such as
Shown in Fig. 3.
From figure 3, it can be seen that when battery electrolyte sodium sulfate concentration is 0.1mol/L battery to have maximum photoelectric current close
Degree；The too high or too low electric charge transmission that all can make between cell cathode and anode of sodium sulfate concentration is suppressed, so that battery produces
Raw density of photocurrent reduces, and the backlight type DSSC prepared under sodium sulfate is 0.1mol/L concentration is described
There is the highest output photoelectric current density, create beyond thought technique effect.
Embodiment 3
1) use anodizing with metal titanium sheet for raw material prepare internal layer as Titanium, surface layer is as TiO2Ti-TiO2
Composite.
2) by Ti-TiO2Composite exposed part is immersed in 71.23 μ g/L Spinach Leaf pigment alcohol extracts 24
Hour, respectively with ethanol and deionized water rinsing after taking-up, after normal temperature drying, obtain side and form the Ti-TiO of dye coating2Multiple
Condensation material；The adhesive waterproof tape of (diameter > 8mm) of being punched centre again is attached to Ti-TiO2Composite there is dye coating side,
And at Ti-TiO2The opposite side of composite directly attaches adhesive waterproof tape, at Ti-TiO2About 2mm width under one end sanction of composite
Adhesive tape make Ti-TiO2Composite exposes.Exposed portion is polished off surface oxide layer, thereon spot welding wire, i.e. conduct
Titanium dioxide photo anode structure.Depletion belongs to platinized platinum, is cut into rectangle by light anode dimension size.In the middle of metal platinized platinum, punching is (straight
Footpath d2<d1), welding lead at long side edge, it is platinum to electrode (cell cathode).
3) configuration aqueous sodium persulfate solution is as the electrolyte of battery.Electrolyte is using deionized water as solvent, electric in solution
Solve matter and additive concentration is: sodium sulfate (Na2SO4)0.1mol/L.The assembling of battery is by being from bottom to up: light anode construction
Adhesive waterproof tape perforate be placed in the bottom on the side；Electrode is kept flat on it by platinum, and keeps platinum to the electrode center of circle and light
The adhesive waterproof tape perforate center of circle alignment of anode construction；Injecting the electrolyte into and fill it up with above-mentioned circular hole position, the superiors cover quartz
Glass also compresses, and i.e. completes the assembling of solaode.
In said process, other conditions keep constant, only by aqueous sodium persulfate solution, battery electrolyte are changed to I-/I3 -Water
(each concentration of component is 1mmol/L iodine (I to solution2), 1.2mmol/L potassium iodide (KI), 0.005M4-tert .-butylpyridine (TBP), go
Ionized water is solvent) and I-/I3 -(each concentration of component is 1mmol/L iodine (I to acetonitrile solution2), 1.2mmol/L potassium iodide (KI),
0.005M 4-tert .-butylpyridine (TBP), acetonitrile is solvent).Use 450W xenon lamp, monochromator (U.S. chin or cheek light science and technology CT110) and
2273 potentiostats (U.S. A Meiteke PARSTAT) photoelectricity is used in conjunction test system, measures battery monochromatic light electricity conversion
(IPCE) collection of illustrative plates and I-V curve, result is as shown in Figures 4 and 5.
From fig. 4, it can be seen that and I-/I3 -Acetonitrile solution and I-/I3 -Aqueous solution electrolysis liquid phase ratio, aqueous sodium persulfate solution is electrolysed
DSCs prepared by liquid has bigger transformation efficiency when monochromatic light exposure；Fig. 5 then illustrates that aqueous sodium persulfate solution DSCs has more
Big short-circuit current density and open-circuit voltage values.Main cause is that the electrical conductivity of aqueous sodium persulfate solution is greater than I-/I3 -Aqueous solution
And acetonitrile solution, this can make electrolyte internal resistance diminish；On the other hand metabisulfite solution water white transparency, its absorbance is minimum, and I-/
I3 -Solution is then higher because there is elemental iodine and its absorbance of iodide ion, decreases the light intensity arriving photoanode surface, therefore sulphuric acid
Sodium electrolyte battery system has more preferable electricity conversion.
Claims (10)
1. a backlight type DSSC, it is characterised in that include the titanium dioxide photo anode knot set gradually
Structure, platinum include titanium dioxide photo anode, described titanium dioxide to electrode and printing opacity confining bed, described titanium dioxide photo anode structure
At least side of light anode is provided with dielectric film, and the dielectric film of the side of described titanium dioxide photo anode is provided with the first through hole,
Electrode is located on the dielectric film being provided with the first through hole by described platinum, and described platinum is provided with the second through hole to electrode, and described second leads to
Hole is correspondingly arranged with described first through hole, and described first through hole and the second through hole surround cavity with described printing opacity confining bed, described
Cavity is filled with electrolyte；It is additionally provided with dyestuff between the described dielectric film being provided with the first through hole and described titanium dioxide photo anode
Layer.
Backlight type DSSC the most according to claim 1, it is characterised in that described second through hole straight
Footpath is less than the diameter of described first through hole.
Backlight type DSSC the most according to claim 1 and 2, it is characterised in that described titanium dioxide
The both sides of light anode are equipped with dielectric film.
Backlight type DSSC the most according to claim 3, it is characterised in that described titanium-dioxide photo sun
The side of one end, pole contacts with the side of described dye coating one end, and the described titanium dioxide photo anode other end is arranged on described dye
Outside the bed of material other end.
Backlight type DSSC the most according to claim 3, it is characterised in that described titanium-dioxide photo sun
One end of pole is coated in described dielectric film, and the other end of described titanium dioxide photo anode is arranged on outside described dielectric film；Excellent
Selection of land, the one end outside dielectric film that is located at of described titanium dioxide photo anode is additionally provided with positive wire.
Backlight type DSSC the most according to claim 1 and 2, it is characterised in that described platinum is to electrode
One end be provided with the extension being integral with arranging, described extension is located at described printing opacity confining bed and be provided with the first through hole
The outside of dielectric film；Preferably, described extension is provided with cathode wire.
The preparation method of backlight type DSSC the most according to any one of claim 1 to 6, including with
Lower step:
1) use anodizing with metal titanium sheet for raw material prepare internal layer as Titanium, surface layer is as TiO2Ti-TiO2Compound
Material, then by described Ti-TiO2The side of composite forms dye coating, the most again by described Ti-TiO2Having of composite
The side of dye coating covers the dielectric film being provided with the first through hole in the middle of upper, and makes Ti-TiO2The side of composite expose 1.5～
2.5mm, after being polishing to exposed portion remove dye coating and titanium dioxide layer, then the exposed portion welding anode after polishing is led
Line, obtains titanium dioxide photo anode structure；
2) depletion belongs to platinized platinum, suitably cuts out by titanium dioxide photo anode size, obtains the metal platinized platinum after cutting, then in institute
State and in the middle of the metal platinized platinum after cutting, offer the second through hole, and make the diameter diameter less than the first through hole of the second through hole, in institute
State the metal platinized platinum side welded cathode wire of perforate, obtain platinum to electrode；
3) using deionized water as solvent, configuration aqueous sodium persulfate solution is as the electrolyte of battery；
4) electrode covering is provided with by described platinum in described titanium dioxide photo anode structure the side of the dielectric film of the first through hole,
And make corresponding first through hole of described second through hole, more described electrolyte injects and fills it up with the position of first and second through hole, covers the most again
Cover printing opacity confining bed and compress.
The preparation method of backlight type DSSC the most according to claim 7, it is characterised in that in step
1) in, described Ti-TiO2The side of composite forms dye coating by the method comprised the steps: by described Ti-TiO2Multiple
Condensation material soaks 24 hours in the Spinach Leaf pigment alcohol extract that chlorophyll content is 0.7～7120 μ g/L, is set
There is the Ti-TiO of chlorophyll dye coating2Composite, then by the described Ti-TiO being provided with chlorophyll dye coating2Composite cleans,
It is dried, obtains side and form the Ti-TiO of dye coating2Composite.
The preparation method of backlight type DSSC the most according to claim 8, it is characterised in that described spinach
Chlorophyll content in dish leaf pigment alcohol extract is 0.7123～100 μ g/L, it is preferable that described chlorophyll content is
0.7123～71.23 μ g/L, it is highly preferred that described chlorophyll content is preferably 71.23 μ g/L.
The preparation method of backlight type DSSC the most according to claim 4, it is characterised in that in step
Rapid 3) in, in described solution, electrolyte sodium sulfate concentration is: 0.005～2.0mol/L, and preferably 0.01～1.0mol/L are more excellent
Elect 0.1mol/L as.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212400A (en) * | 2018-08-23 | 2019-01-15 | 西安飞芯电子科技有限公司 | The test method of photoproduction charge transfer effciency inside photodiode |
| CN109360891A (en) * | 2018-09-12 | 2019-02-19 | 华南师范大学 | A kind of organic solar batteries and preparation method thereof containing natural extract |
| CN109859950A (en) * | 2018-12-14 | 2019-06-07 | 储天新能源科技（长春）有限公司 | Biologic solar cell and preparation method thereof with three layers of chlorophyll structure |
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| JP2013073893A (en) * | 2011-09-29 | 2013-04-22 | Aisin Seiki Co Ltd | Dye-sensitized solar cell and manufacturing method therefor |
| KR20140061621A (en) * | 2012-11-13 | 2014-05-22 | 재단법인대구경북과학기술원 | Tandem-parallel light sensitized solar cell |
| CN105637603A (en) * | 2013-11-08 | 2016-06-01 | 松下电器产业株式会社 | Electrochemical device |
| CN206059181U (en) * | 2016-10-11 | 2017-03-29 | 华北电力大学（保定） | Backlight type DSSC |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013073893A (en) * | 2011-09-29 | 2013-04-22 | Aisin Seiki Co Ltd | Dye-sensitized solar cell and manufacturing method therefor |
| KR20140061621A (en) * | 2012-11-13 | 2014-05-22 | 재단법인대구경북과학기술원 | Tandem-parallel light sensitized solar cell |
| CN105637603A (en) * | 2013-11-08 | 2016-06-01 | 松下电器产业株式会社 | Electrochemical device |
| CN206059181U (en) * | 2016-10-11 | 2017-03-29 | 华北电力大学（保定） | Backlight type DSSC |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212400A (en) * | 2018-08-23 | 2019-01-15 | 西安飞芯电子科技有限公司 | The test method of photoproduction charge transfer effciency inside photodiode |
| CN109212400B (en) * | 2018-08-23 | 2021-04-23 | 宁波飞芯电子科技有限公司 | Method for testing photo-generated charge transfer efficiency in photodiode |
| CN109360891A (en) * | 2018-09-12 | 2019-02-19 | 华南师范大学 | A kind of organic solar batteries and preparation method thereof containing natural extract |
| CN109859950A (en) * | 2018-12-14 | 2019-06-07 | 储天新能源科技（长春）有限公司 | Biologic solar cell and preparation method thereof with three layers of chlorophyll structure |
| CN109859950B (en) * | 2018-12-14 | 2021-03-23 | 储天新能源科技（长春）有限公司 | Biological solar cell with three-layer chlorophyll structure and preparation method thereof |
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