CN103762084A - Dye-sensitized solar cell and low-temperature preparation method of photo-anode of dye-sensitized solar cell - Google Patents
Dye-sensitized solar cell and low-temperature preparation method of photo-anode of dye-sensitized solar cell Download PDFInfo
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- CN103762084A CN103762084A CN201410014342.9A CN201410014342A CN103762084A CN 103762084 A CN103762084 A CN 103762084A CN 201410014342 A CN201410014342 A CN 201410014342A CN 103762084 A CN103762084 A CN 103762084A
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Abstract
The invention discloses a low-temperature preparation method of a dye-sensitized solar cell. A laser-assisted membrane transfer method is used, and limitation caused by high-heat treatment to a substrate in the preparation process of a photo-anode of a traditional dye-sensitized solar cell is broken through, the low-pressure rolling technology is used for transferring the photo-anode to any conducting substrate so that the photo-anode which is of a good porous structure and is closely combined with the substrate can be formed, and then the dye-sensitized solar cell can be obtained. The prepared dye-sensitized solar cell is high in efficiency, good in substrate adaptability, simple in technology, good in repeatability and applicable to large-scale production.
Description
Technical field
The present invention relates to a kind of low temperature preparation method of dye-sensitized solar cells, utilize laser lift-off and low-pressure rolling depression method in conductive substrates, preparing light anode arbitrarily, and further prepare dye-sensitized solar cells.
Background technology
Dye-sensitized solar cells is to rely on light-sensitive coloring agent, utilizes photogenic voltage principle solar energy to be transformed into the semiconductor device of electric energy.DSSC is as the one of thin-film solar cells, from 1991 by Lausanne, SUI Gao Deng engineering institute
since group's invention that professor leads, having obtained the concern of whole world researcher, is a kind of traditional crystal silicon battery substitute products that have potentiality.The photoelectric conversion efficiency of dye-sensitized solar cells has broken through 12% at present, has boundless application and industrialization prospect.
With respect to other solar cells, particularly crystal silicon cell DSSC have that raw material cheapness, technique are simple, lightweight and be easy to the features such as flexibility and make the application of dye-sensitized solar cells have more flexibility.But in the preparation process of traditional dye-sensitized solar cells, first to TiO will be contained
2the organic ink of nano particle utilizes silk screen printing or scraper method to be prepared on transparent conducting glass, and in slurry, organic use is in order to strengthen TiO
2with the adhesion of conductive substrates, but organic existence is to electronics, the transmission in battery structure has and has a strong impact on, and has increased the dark current of battery.Then the heat treatment process of utilizing high-temperature heat treatment process to remove organic bond wherein and high temperature can allow the TiO in slurry
2particle can effectively form connection, thereby forms good porous network structure.Thereby good network configuration is conducive to electronics, the transmission in battery obtains high photoelectric conversion efficiency.The preparation technology of this traditional dye-sensitized solar cells, due to need to be through the heat treatment process of a higher temperature, have therefore limited the selection of battery substrate.In order to prepare dye-sensitized solar cells in flexible substrate, particularly in lightweight, flexible plastic substrate, prepare high efficiency dye sensitization solar cell, overcoming Technology for Heating Processing in traditional handicraft becomes a significant obstacle of a dye-sensitized solar cells flexibility.
Ways of addressing this issue mainly contains low-temperature pulp, high pressure static pressure method, electrostatic precipitation, ultraviolet and the Microwave Treatment etc. that use does not contain organic bond.All methods are all in order not use or degrade TiO
2organic bond and or good network structure in forerunner's slurry.The TiO in the light anode that some method obtains although these methods can realize the preparation of low temperature dye sensitization battery light anode to a certain extent
2it is low that particle connects the power very weak cell photoelectric efficiency that makes, also or preparation method to equipment, must ask the very high volume production that is unfavorable for battery.
Summary of the invention
The object of the invention is to provide the new preparation method of dye-sensitized solar cells, overcomes the restriction of conventional batteries high-temperature heat treatment to substrate, and provides one to prepare, light anode TiO high with substrate caking power
2the tight neck of particle TiO that connect, that adapt to any conductive substrates
2the technique of light anode.Simple, reproducible, the low for equipment requirements applicable industrialization of technical process of the present invention is produced in a large number.
The invention provides a kind of low temperature preparation method of smooth anode, the light anode preparing can be applicable in flexible dye-sensitized solar cell, and described preparation method comprises that pre-prepared, laser lift-off, shape control, heat treatment, the low-pressure roll extrusion of light anode shift.Preferably, described smooth anode is TiO
2light anode.
The low temperature preparation method of light anode of the present invention comprises the following steps:
(1) in FTO substrate, with method for printing screen, prepare nano-oxide slurry, on 100 ℃ of heating stations, dry, in described substrate, form prefabricated nano-oxide thin layer;
(2) utilize laser-assisted film transfer method, prefabricated nano-oxide thin layer is separation with described FTO substrate, obtain nano-oxide film strip;
(3) nano-oxide film strip described in cutting is heat-treated at 500 ℃;
(4) spin coating tack coat in substrate base, is then positioned over described nano-oxide film strip after treatment step (3) on this tack coat, utilizes low-pressure rolling depression method that it is combined in described substrate base, forms described smooth anode;
Wherein, described nano-oxide film is for including oxide semiconductor TiO
2, ZnO, SnO
2or In
2o
3the nano-oxide porous interconnection film of nano particle or nanotube or nanofiber.Preferably, be TiO
2film.
In step (1), composition and ratio that described nano-oxide pulp bales contains are: by the P25TiO of acetic acid acidifying
2powder, the ethanolic solution that contains ethyl cellulose 10% mass ratio and terpinol are that 0.06:3:2 carries out evenly mixing and disperseing according to mass ratio.
In step (1), the thickness of described nano-oxide pasty film layer is 14-16 μ m.
In step (4), the composition of described tack coat and ratio are: P25TiO
2powder, absolute ethyl alcohol and butyl titanate are that 1:15:0.3 carries out evenly mixing and disperseing according to mass ratio.
The light anode that step (4) makes comprises electrically-conductive backing plate, transfer layer and adhesion layer.
Wherein, " FTO substrate " refer to the transparent conducting glass that is prepared with fluorine-doped tin oxide transparent conductive oxide film at glass surface
Wherein, " nano-oxide slurry " refers to utilize prepared by oxide nano particles and organic bond and dispersant dispersed and is applicable to the slurry of screen printing technique.Comprise TiO
2slurry, ZnO slurry, SnO
2slurry or In
2o
3slurry.Preferably, be TiO
2slurry.
Wherein, " nano-oxide film strip " refers to the band nano-oxide slurry preparation of preparation being formed after target base plate is dry by the method for silk screen printing.Comprise TiO
2band, ZnO band, SnO
2band or In
2o
3band.Preferably, be TiO
2band.
Wherein, when " screen printing technique " adopting is printing, by the extruding of scraper plate, make ink or slurry by the existing figure of half tone, obtain the printed patterns consistent with half tone shape.Screen printing technique is widely used in solar cell preparation field.
Wherein, " the laser-assisted film transfer method " adopting refers to and utilizes laser to carry out scanning and irradiation to being prepared with nano-oxide film strip preform region, makes the band transferable method that realize band separation with substrate.
Wherein, " the low-pressure rolling depression method " adopting refers to the mode that adopts axle rolling compaction, and the pressure at right angle applying prepares the method ratio of light anode than traditional static pressure method, and the power of use is only 1/10th of machinery static platen press.
The present invention also provides a kind of light anode preparing as stated above.Described smooth anode comprises electrically-conductive backing plate, transfer layer and adhesion layer.Wherein, the good flexible TiO2 band forming and sintering that has that transfer layer is obtained by laser scanning forms.Due to the existence of high-temperature sintering process, therefore, the light anode of preparation has good porous network structure on the one hand as stated above, and intergranular link is tight, can facilitate for the transmission of electronics; On the other hand by low-pressure film transfer method; not only avoided high pressure to equipment and the requirement to substrate; and be conducive to the scale production process of adaptive reel-to-reel, and low-pressure can farthest retain the mesh structural porous structure of TiO2 transfer layer after sintering.By test, characterize, light anode prepared by this present invention can reach the more than 90% of the prepared smooth anode Dye Adsorption amount of traditional preparation method.
The interconnected film of porous that the substrate that light anode prepared by the present invention is covered by transparent conductive oxide or conducting metal substrate and nano-oxide particles or nanotube or nanofiber form forms.Nanometer oxide porous membrane consists of two parts further: bottom is tack coat, thickness is about 1 μ m, this layer of main effect is as bridge, transfer layer and substrate to be combined closely, thereby reduce the transmission resistance of electronics in light anode, increase the stability of light anode, improve the photoelectric conversion efficiency of battery; The second layer is that the interconnected tape thickness of nano-oxide porous that the laser irradiation after forming and sintering strips down is 14-16 μ m, the bulky grain scattering layer that top is 200-400nm, and below is the granule layer of 25nm left and right.This layer combines silk screen printing and the sintering process of laser lift-off and conventional dyes sensitization solar battery photoanode.There is on the one hand good porous network structure, be conducive on the one hand the design and implementation of film transfer method.
In the present invention, described smooth anode is for flexible dye-sensitized solar cell, and described smooth anode is combined in substrate base, and for the nano-oxide film that covers substrate base surface forms, wherein, nano-oxide film comprises oxide semiconductor TiO
2, ZnO, SnO
2, and In
2o
3deng nano particle or nanotube or the prepared nano-oxide porous interconnection film of nanofiber.
The present invention further provides a kind of low temperature preparation method of dye-sensitized solar cells, that is, utilized light anode prepared by low temperature of the present invention further to prepare dye-sensitized solar cells, it comprises:
(1) the light anode that utilizes preparation method of the present invention to make;
(2) utilize magnetically controlled sputter method in substrate base, to prepare Pt to electrode; Wherein, the light anode having prepared in conjunction with said method in described substrate base;
(3) described smooth anode is immersed in dye solution to absorbing dye;
(4) utilize encapsulating material, the light anode of the described carried dye that the described Pt that encapsulation step (2) makes makes electrode and step (3); Preferably, using thermoplasticity sarin resin as insulation package material, encapsulate described Pt to electrode and described smooth anode;
(5) perfusion, containing the electrolyte of iodine, makes described dye-sensitized solar cells.
The present invention also provides a kind of DSSC preparing by above method, it comprises underlay substrate, the oxidation object light anode forming on described underlay substrate, be adsorbed on the dyestuff on light anode, to electrode, cover the transparency carrier of battery surface, be filled in the electrolyte in the space between described underlay substrate and transparency carrier, and sealing-in light anode and the encapsulating material to electrode.Wherein, the transparency carrier that covers battery surface described in is to consist of base material and transparent conductive material.
The flexible dye-sensitized solar battery that the present invention is prepared, its structure comprises baseplate material, transparent conductive material, encapsulating material, light anode material and the liquid electrolyte of filling.The present invention has overcome one flexible dye-sensitized solar cell of the prior art, the particularly flexible dye-sensitized solar cell based on plastic base due to cannot heat treatment and dependence to low-temperature pulp.The mode shifting by low-pressure rolled film, one side has farthest been inherited ripe preparation technology and the method for conventional dyes sensitization solar cell, has reduced the preparation difficulty of battery; Preparation technology's stability and repeatability have greatly been improved on the other hand.The electricity conversion of the flexible dye-sensitized solar cell of preparing by the inventive method is 4.2%.And the photoelectric conversion efficiency of glass-based dye-sensitized solar cells is 6.2.Reach the more than 80% of glass-based dye sensitization battery light photoelectric transformation efficiency 7.5% prepared by conventional high-temperature sintering process.
Preferably, high power of the present invention flexible dye-sensitized solar battery cheaply, comprising: flexible substrate substrate; The light anode forming on described underlay substrate and to electrode; Be adsorbed on the dyestuff on light anode; Cover the transparency carrier of battery surface; The encapsulating material of sealing-in underlay substrate and transparency carrier; The isolated material in the proportional spacing space forming between described underlay substrate and transparency carrier; Be filled in the electrolyte in the space between described underlay substrate and transparency carrier.
The preparation method of dye-sensitized solar cells of the present invention and light anode thereof, is suitable for any electrically conducting transparent base material.
In the present invention, underlay substrate is be coated with arbitrarily transparent conductive material as electrically conducting transparent substrate, conducting metal substrates such as glass, pottery and high molecular polymers or be coated with the polymer substrate material of transparent conductive film described in light anode.Substrate described in electrode is adopted as to any electric conducting material as metal, the ceramic base that is coated with conducting objects and macromolecule polymer material etc.Preferably, described substrate base can be the plastic tabs such as the sheet metal of the stable low-resistances such as titanium, stainless steel and nickel or PET, the PEN that is coated with the conductive films such as ITO, FTO and AZO.Preferably, the thickness of this thin slice is: the battery of back-illuminated type is to the thickness of thin slice without specific requirement, and the sheet thickness that the battery just irradiating is used is approximately 200um.
In the present invention, oxidation object light anode material comprises oxide semiconductor TiO2, ZnO, SnO
2, In
2o
3deng nano particle or nanotube or the prepared nano-oxide porous interconnection film of nanofiber.In the present invention, light anode is to prepare according to film transfer method of the present invention, and wherein, the transfer method with low-pressure roll extrusion is peeled off in film transfer method employing laser scanning.
In the present invention, dyestuff is the commercialization high efficiency dye such as N719 and N749.
In the present invention, the described metal materials such as Pt, Au that electrode is comprised; The material with carbon element such as carbon nano-tube, Graphene; Transient metal sulfide, nitride and oxide etc.; Partially conductive macromolecular material.The described preparation method to electrode comprises magnetron sputtering, silk screen printing, vacuum evaporation, chemical plating, electrochemistry plating, immersion plating, spin coating, ultrasonic plating etc.Preferably, in the present invention, to electrode, adopt the Pt of chemical preparation to electrode.
In the present invention, described electrolyte is with I
3-and I
-, Co
2+and Co
3+, or Fe
2+and Fe
3+for liquid electrolyte or the ionic electrolytes of redox couple.Electrolyte adopts containing I
-1/ I
3 -1for liquid electrolyte or the ionic electrolytes of redox couple.
In the present invention, described seal, sealing materials is the thermoplastic film who includes glass powder with low melting point, heat-curable epoxy resin, ultra-violet curing epoxy resin or sarin resin.Preferably, encapsulating material comprises glass powder with low melting point, heat-curable epoxy resin or ultra-violet curing epoxy resin.
The present invention utilizes laser assisted film transfer method to realize and obtains porous electrode, thereby has broken the restriction of high-temperature heat treatment to substrate in conventional dyes sensitization solar battery photoanode preparation process.Utilize the TiO of laser to certain thickness silk screen printing
2scanning, makes itself and initial substrate carry out separation acquisition large area flexible TiO
2band; By TiO
2band carries out cutting, and sintering obtains having good cancellated TiO
2light anode; Utilize low-pressure roll extrusion technology by light anode transfer in any conductive substrates, form loose structure good, with the compact smooth anode layer of substrate; After soft-light anode carried dye by encapsulating material be prepared with Pt particle electrode is encapsulated and pours into electrolyte and complete the preparation of whole battery.Utilize dye-sensitized solar cells prepared by the inventive method to have the advantages that efficiency is high, substrate adaptability is good, technique is simple and reproducible.The present invention can advance a large amount of production and the application of dye-sensitized solar cells effectively in conjunction with volume to volume technology of preparing.
Preparation method of the present invention innovates the film transfer method of proposition for the problem that solves prior art existence provides new approaches, first adopts conventional method to prepare the good porous TiO of network configuration
2, then utilize ad hoc approach to be peeled off, then transfer in any applicable conductive substrates.The inventive method, for the preparation of dye-sensitized solar cells, particularly has extremely important meaning for the preparation of plastic base flexible dye-sensitized solar cell.
Accompanying drawing explanation
Fig. 1 is the structural representation of dye-sensitized solar cells of the present invention.
Fig. 2 is laser lift-off process schematic diagram in preparation method of the present invention.
Fig. 3 is preparation method's mesolow power rolled film transfer method schematic diagram of the present invention.
Embodiment
In conjunction with following specific embodiments and the drawings, the present invention is described in further detail, and protection content of the present invention is not limited to following examples.Do not deviating under the spirit and scope of inventive concept, variation and advantage that those skilled in the art can expect are all included in the present invention, and take appending claims as protection range.Implement process of the present invention, condition, reagent, experimental technique etc., except the content of mentioning specially below, be universal knowledege and the common practise of this area, the present invention is not particularly limited content.
The present invention, for the preparation method of the light anode of DSSC, comprises the steps:
1. clean substrate base.
Target substrate substrate and pre-transfer substrate (FTO substrate) surface are cleaned respectively, adopt mixed solvent (volume ratio 1:3) and the deionized water of acetone and absolute ethyl alcohol respectively substrate base to be carried out to ultrasonic cleaning, for example clean 15 minutes, dry up substrate with nitrogen.Described substrate base comprises the conductive base of flexibility or inflexibility.
2. the semiconductor slurry containing organic bond that preparation can silk screen printing; Preferably, be TiO
2slurry.
3. in pre-transfer substrate, print TiO
2slurry is also dried, and forms prefabricated TiO
2thin layer.
4. use laser scans sub irradiation from this prefabricated TiO
2thin layer and substrate, obtain the TiO separating
2film strip.
5. according to specific different needs, to TiO
2the shape of film strip is carried out cutting heat treatment.
6. spin coating tack coat in target substrate substrate, i.e. spin coating contains TiO
2particle and not containing the slurry thin layer of organic bond.
7. by the TiO after heat treatment
2film strip is placed on tack coat, uses rolling depression method to be transferred to and in target substrate substrate, obtains light anode.
The preparation method of dye-sensitized solar cells of the present invention, that is, preparing according to said method on the basis of light anode further, continues following steps, prepares DSSC of the present invention:
8. utilize magnetically controlled sputter method in substrate base, to prepare load and have the Pt of catalysis material to electrode.
9. light anode is immersed in dye solution, absorbing dye.
10. isolate, encapsulate light anode and to electrode; Then, filling electrolyte, seals filling opening, makes described dye-sensitized solar cells.
As shown in Figure 1,1-base material, 2-transparent conductive material, 3-encapsulating material, the electrolyte that 4-fills; 5-light anode.
Embodiment 1 prepares back-illuminated type dye-sensitized solar cells take commercialization titanium foil as target substrate film transfer method low temperature
Preparation TiO
2light anode: first use rare hydrofluoric acid, nitric acid and the substrate of deionized water mixed solution ultrasonic cleaning commercialization metal titanium foil, clean oven dry stand-by; With the TiO of 25nm and 300nm particle diameter
2powder, ethyl cellulose and terpinol configuration screen printing sizing agent.Use silk screen printing to prepare the thick TiO of 14 μ m in the FTO substrate of preparation
2slurry is placed on the heating station of 100 ℃ and dries.Utilize commercialization laser (1064nm wavelength) marking machine to the TiO of drying
2slurry carries out irradiation scanning.TiO after scanning and irradiation
2preformed layer is separation with FTO substrate, the TiO with certain flexibility and intensity obtaining
2band, as shown in Figure 2.To TiO
2band is cut out according to the shape of particular demands, then at 500 ℃, heat-treats and within 30 minutes, makes TiO
2tiO in band
2particle has strong link and removes organic substance wherein.Utilize the TiO of 25nm particle diameter
2powder, ethanol and butyl titanate synthesize base pastes, then spin coating one deck tack coat on goal displacement substrate PET-ITO.Then by the TiO after heat treatment
2band is positioned on tack coat.Utilize the method for low-pressure roll extrusion, as shown in Figure 3, by heat treated TiO
2band combines closely with target substrate titanium foil, becomes TiO
2light anode 5.
Prepare dye-sensitized solar cells: utilize magnetically controlled sputter method, in clean PET-ITO substrate, prepare Pt to electrode.The light anode 5 preparing is immersed in the dye solution of N719 to 24 hours with absorbing dye, using thermoplasticity sarin resin as insulation package material 3, will the light anode of electrode and load good colourant be packaged together and pour into the electrolyte 4 containing iodine, make titanium substrate back-illuminated type dye-sensitized solar cells, its structure as shown in Figure 1, the dye-sensitized solar cells that the present embodiment makes comprises underlay substrate 1, the oxidation object light anode 5 forming on described underlay substrate, be adsorbed on the dyestuff on light anode 5, to electrode, cover the transparency carrier of battery surface, be filled in the electrolyte 4 in the space between described underlay substrate and transparency carrier, and sealing-in light anode and the encapsulating material 3 to electrode.Wherein, the transparency carrier that covers battery surface described in is to consist of base material 1 and transparent conductive material 2.
Embodiment 2 prepares dye-sensitized solar cells take PET-ITO as target substrate film transfer method low temperature
The preparation of light anode: first use mixed solvent (volume ratio 3:1) and washed with de-ionized water PET-ITO and the FTO substrate of acetone and ethanol, clean oven dry stand-by; With the TiO of 25nm and 300nm particle diameter
2powder, ethyl cellulose and terpinol configuration screen printing sizing agent.Use silk screen printing to prepare the thick TiO of 14 μ m in the FTO substrate of preparation
2slurry is placed on the heating station of 100 ℃ and dries.Utilize commercialization laser (1064nm wavelength) marking machine to the TiO of drying
2slurry carries out irradiation scanning.TiO after scanning and irradiation
2preformed layer is separation with FTO substrate, as shown in Figure 2, obtains having the TiO of certain flexibility and intensity
2band.To TiO
2band is cut out according to the shape of particular demands, then at 500 ℃, heat-treats and within 30 minutes, makes TiO
2tiO in band
2particle has strong link and removes organic substance wherein.Utilize the TiO of 25nm particle diameter
2powder, ethanol and butyl titanate synthesize base pastes, then spin coating one deck tack coat on goal displacement substrate PET-ITO.Then by the TiO after heat treatment
2band is positioned on tack coat.Utilize the method for low-pressure roll extrusion, as shown in Figure 3, by heat treated TiO
2band combines closely with target substrate PET-ITO, becomes TiO
2light anode 5.
The preparation of dye-sensitized solar cells: utilize magnetically controlled sputter method, prepare Pt to electrode in clean PET-ITO substrate.The light anode preparing is immersed in the dye solution of N719 to 24 hours with absorbing dye, using thermoplasticity sarin resin as encapsulating material, will the light anode of electrode and load good colourant be packaged together and pour into the electrolyte containing iodine, make dye-sensitized solar cells, its structure as shown in Figure 1.
Low temperature preparation technology in other examples of the present invention, can further be applicable to by the composition material that changes light anode: TiO
2, ZnO, SnO
2, In
2o
3semi-conducting material.Changing goal displacement base material can further be applicable to: sheet material or the flexible strips such as PEN-ITO, metallic nickel, stainless steel.Other experimental procedures and condition are with reference to embodiment 1 or 2.
Claims (10)
1. for a low temperature preparation method for the light anode of dye-sensitized solar cells, it is characterized in that, comprise step:
(1) in FTO substrate, with silk screen printing, prepare nano-oxide slurry, on 100 ℃ of heating stations, dry, in described substrate, form prefabricated nano-oxide thin layer;
(2) utilize laser-assisted film transfer method, prefabricated nano-oxide thin layer is separation with described FTO substrate, obtain nano-oxide film strip;
(3) nano-oxide film strip described in cutting is heat-treated at 500 ℃;
(4) spin coating tack coat in substrate base, is then positioned over described nano-oxide film strip after treatment step (3) on this tack coat, utilizes low-pressure rolling depression method that it is combined in described substrate base, forms described smooth anode;
Wherein, described nano-oxide film is for including oxide semiconductor TiO
2, ZnO, SnO
2or In
2o
3the nano-oxide porous interconnection film of nano particle or nanotube or nanofiber.
2. preparation method as claimed in claim 1, is characterized in that, in step (1), the composition of described nano-oxide slurry and ratio are: according to mass ratio, be the P25TiO that 0.06:3:2 evenly mixes the acetic acid acidifying of dispersion
2powder, containing ethanolic solution and the terpinol of ethyl cellulose 10% mass ratio.
3. preparation method as claimed in claim 1, is characterized in that, in step (1), the thickness of described nano-oxide pasty film layer is 14-16 μ m.
4. preparation method as claimed in claim 1, is characterized in that, in step (4), the composition of described tack coat and ratio are: P25TiO
2powder, absolute ethyl alcohol and butyl titanate are that 1:15:0.3 carries out evenly mixing and disperseing according to mass ratio.
5. preparation method as claimed in claim 1, is characterized in that, the light anode that step (4) makes comprises electrically-conductive backing plate, transfer layer and adhesion layer.
6. the light anode preparing by method described in claim 1.
7. a low temperature preparation method for dye-sensitized solar cells, is characterized in that, comprises step:
(1) utilize and prepare light anode by claim 1 method;
(2) utilize magnetically controlled sputter method in conductive substrates, prepare supporting Pt material to electrode;
(3) described smooth anode is immersed in dye solution to absorbing dye;
(4) utilize encapsulating material, the light anode of the described carried dye that the described Pt that encapsulation step (2) makes makes electrode and step (3);
(5) perfusion, containing the electrolyte of iodine, makes described dye-sensitized solar cells.
8. preparation method as claimed in claim 7, is characterized in that, described encapsulating material is the thermoplastic film who includes glass powder with low melting point, heat-curable epoxy resin, ultra-violet curing epoxy resin or sarin resin.
9. preparation method as claimed in claim 7, is characterized in that, described electrolyte is with I
3-and I
-, Co
2+and Co
3+, or Fe
2+and Fe
3+for liquid electrolyte or the ionic electrolytes of redox couple.
10. the DSSC obtaining by claim 7 preparation method, is characterized in that, it comprises: underlay substrate (1); The light anode (5) forming on described underlay substrate and to electrode; Be adsorbed on the dyestuff on light anode; Cover the transparent conductive substrate of battery surface; Sealing-in light anode and the encapsulating material to electrode (3); And be filled in the electrolyte (4) in the space between described underlay substrate and transparency carrier.
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| CN105551834A (en) * | 2016-02-29 | 2016-05-04 | 长江大学 | Low-temperature and low-pressure preparation method of flexible dye-sensitized solar cell |
| CN106158385A (en) * | 2015-03-31 | 2016-11-23 | 株式会社常宝 | DSSC and manufacture method thereof |
| CN108621994A (en) * | 2018-05-14 | 2018-10-09 | 罗杰敏 | A kind of solar photovoltaic cell panel bus crest slab having thermal insulation protection to natural gas bottle |
| CN108649678A (en) * | 2018-05-14 | 2018-10-12 | 黎剑鸣 | Distributed solar energy lighting power supply system for building |
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| CN109682872A (en) * | 2019-01-24 | 2019-04-26 | 青岛农业大学 | A kind of preparation of induced with laser titanium dioxide/three-dimensional porous graphene complex light electrode and its photic electrification are learned to farm residual sensing Study of An |
| CN111192761A (en) * | 2019-12-27 | 2020-05-22 | 中北大学 | Long-time-state semitransparent flexible dye-sensitized solar cell and preparation method thereof |
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| CN105551834A (en) * | 2016-02-29 | 2016-05-04 | 长江大学 | Low-temperature and low-pressure preparation method of flexible dye-sensitized solar cell |
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