CN101697319B - Dye-sensitized anode of solar battery light and preparation method thereof - Google Patents
Dye-sensitized anode of solar battery light and preparation method thereof Download PDFInfo
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- CN101697319B CN101697319B CN 200910218650 CN200910218650A CN101697319B CN 101697319 B CN101697319 B CN 101697319B CN 200910218650 CN200910218650 CN 200910218650 CN 200910218650 A CN200910218650 A CN 200910218650A CN 101697319 B CN101697319 B CN 101697319B
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- 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
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- 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
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a dye-sensitized anode of solar battery light and a preparation method thereof. The anode comprises a transparent conductive substrate and a nanocrystalline porous TiO2 thin film. A dense nanocrystalline ZnO thin film coats between the transparent conductive substrate and the nanocrystalline porous TiO2 thin film. On the premise that a nanocrystalline porous structure is satisfied, dense and transparent nanocrystalline ZnO thin film is manufactured on a conductive film in advance as an intermediate layer to enhance the bonding strength of the nanocrystalline porous thin film and the substrate. Energy band structure of n type semiconductor ZnO is close to that of the TiO2 and has higher electronic mobility and longer service life to output photon-generated carriers.
Description
Technical field:
The present invention relates to technical field of solar batteries, specifically is a kind of dye-sensitized solar cell anode and preparation method thereof.
Background technology:
DSSC is simple relatively, with low cost because of its structure, as the solar cell of a new generation and receive global concern, is considered to replace the novel solar battery of silicon solar cell.DSSC mainly contains following a few part and forms: light anode, electrolyte and negative electrode.Light anode and negative electrode are made the cavity of sealing, and electrolyte is poured in this cavity, has so just formed the DSSC unit.The light anode is mainly by transparent conductive substrate and nanocrystalline porous titanium oxide (TiO
2) the film formation, the light anode is that the core of DSSC is formed.Nanocrystalline porous structure has higher specific surface area, is beneficial to dyestuff absorption, but nanocrystalline porous structure and the transparent conductive substrate bonded area is little, bond strength is low is unfavorable for the output of photo-generated carrier.
Summary of the invention:
The object of the present invention is to provide a kind of dye-sensitized solar cell anode that is beneficial to photo-generated carrier output.
Another object of the present invention is to provide a kind of preparation method of dye-sensitized solar cell anode.
The objective of the invention is to be achieved through the following technical solutions:
A kind of dye-sensitized solar cell anode comprises transparent conductive substrate and nanocrystalline porous TiO
2Film, described transparent conductive substrate and nanocrystalline porous TiO
2Be covered with fine and close nanocrystalline ZnO film between the film.
Transparent conductive substrate described in the above-mentioned dye-sensitized solar cell anode is the transparent glass substrate with tin-doped indium oxide (ITO) or fluorine doped tin oxide (FTO) or Al-Doped ZnO (ZAO) nesa coating.
A kind of preparation method of dye-sensitized solar cell anode, the nanocrystalline ZnO film of described densification is to make by the following method: zinc acetate, EGME and monoethanolamine are being mixed into the uniform sol seed liquor below 70 ℃, to flood-to lift or the spin-coating method is coated in above seed liquor on the conducting film of transparent conductive substrate, 100 ℃ of following baking and curing, make through room temperature to 550 ℃ sintering a 4～5h subsequently, thickness is in 100 nanometer to 600 nanometer range; Nanocrystalline porous TiO
2Film is meant by silk screen printing, with nano-TiO
2The slurry that powder, ethyl cellulose and terpinol mix is coated on the nanocrystalline ZnO film, make through room temperature to 500 ℃ sintering a 2～3h, thickness at 5 microns to 50 micrometer ranges.
Described in the preparation method of above-mentioned dye-sensitized solar cell anode in the colloidal sol zinc acetate concentration be 0.3～0.8mol/L, the ratio of the amount of monoethanolamine and zinc acetate is 1: 1, surplus is supplied by EGME; The acetic acid zinc concentration is relevant with the addition of monoethanolamine and EGME in the mixed colloidal sol, the ratio of the amount of monoethanolamine and zinc acetate is fixed, and the concentration of zinc acetate calculates in the colloidal sol that the amount of the EGME of required adding can be prepared as required.
Nano-TiO described in the preparation method of above-mentioned dye-sensitized solar cell anode
2The powder degree is 1 8～36%, and ethyl cellulose and terpinol degree are 64～82%, and the mass ratio of ethyl cellulose and terpinol is 1: 9～1: 15.
The invention has the beneficial effects as follows, satisfying under the prerequisite of nanocrystalline porous structure, on conducting film, make fine and close transparent nano polycrystalline zinc oxide (ZnO) film in advance, promote the bond strength of nanocrystalline porous film and substrate, band structure and the TiO of n N-type semiconductor N ZnO as the intermediate layer
2Close, and have higher electron mobility and life-span, therefore be beneficial to the output of photo-generated carrier.
Description of drawings:
Accompanying drawing is the schematic cross-section of dye-sensitized solar cells light anode of the present invention.
Among the figure: 101-transparent glass substrate, 102-nesa coating, the nanocrystalline ZnO film of 103-, the nanocrystalline porous TiO of 104-
2Film.
Embodiment:
Embodiment 1
A kind of dye-sensitized solar cell anode is successively by transparent conductive substrate, fine and close nanocrystalline ZnO film and nanocrystalline porous TiO
2Film constitutes, and described transparent conductive substrate is meant the transparent glass substrate that deposits nesa coating.
Shown in accompanying drawing, this light anode is successively by transparent glass substrate 101, nesa coating 102, fine and close nanocrystalline ZnO film 103, nanocrystalline porous TiO
2 Film 104 is formed.
The preparation method of dye-sensitized solar cell anode:
By spray pyrolysis or sol-gel or magnetron sputtering or chemical vapour deposition (CVD) or pulse laser sediment method, deposition of transparent conductive film 102 forms transparent conductive substrate on transparent glass substrate 101; Described nesa coating is meant tin-doped indium oxide (ITO) film.
Zinc acetate, EGME and monoethanolamine are mixed into uniform sol at 50 ℃, zinc acetate concentration is that the ratio of the amount of substance of 0.3mol/L and monoethanolamine and zinc acetate is 1: 1 in the colloidal sol, by calculating the amount that can draw the EGME that needs adding; By flooding-lift or the spin-coating method, above colloidal sol is coated in nesa coating 102, then 80 ℃ of baking and curing, make nanocrystalline ZnO film 103 through room temperature to 550 a ℃ sintering 4.5h subsequently, thickness is 300 nanometers.
By silk screen printing, with nano-TiO
2The slurry that powder, ethyl cellulose and terpinol mix is coated on the nanocrystalline ZnO film 103, makes nanocrystalline porous TiO through room temperature to 500 ℃ sintering a 2～3h
2Film 104, thickness are 30 microns.Wherein, nano-TiO
2The powder degree is 30%, and ethyl cellulose and terpinol degree are 70%, and the mass ratio of ethyl cellulose and terpinol is 1: 12.
Embodiment 2
A kind of dye-sensitized solar cell anode is successively by transparent conductive substrate, fine and close nanocrystalline ZnO film and nanocrystalline porous TiO
2Film constitutes, and described transparent conductive substrate is meant the transparent glass substrate that deposits nesa coating.
Shown in accompanying drawing, this light anode is successively by transparent glass substrate 101, nesa coating 102, fine and close nanocrystalline ZnO film 103, nanocrystalline porous TiO
2 Film 104 is formed.
The preparation method of dye-sensitized solar cell anode:
By spray pyrolysis or sol-gel or magnetron sputtering or chemical vapour deposition (CVD) or pulse laser sediment method, deposition of transparent conductive film 102 forms transparent conductive substrate on transparent glass substrate 101; Described nesa coating is meant fluorine doped tin oxide (FTO) film.
Zinc acetate, EGME and monoethanolamine are mixed into uniform sol at 50 ℃, zinc acetate concentration is that the ratio of the amount of substance of 0.5mol/L and monoethanolamine and zinc acetate is 1: 1 in the colloidal sol, by calculating the amount that can draw the EGME that needs adding; By flooding-lift or the spin-coating method, above colloidal sol is coated in nesa coating 102, then 80 ℃ of baking and curing, make nanocrystalline ZnO film 103 through room temperature to 550 a ℃ sintering 4.5h subsequently, thickness is 100 nanometers.
By silk screen printing, with nano-TiO
2The slurry that powder, ethyl cellulose and terpinol mix is coated on the nanocrystalline ZnO film 103, makes nanocrystalline porous TiO through room temperature to 500 ℃ sintering a 2～3h
2Film 104, thickness are 5 microns.Wherein, nano-TiO
2The powder degree is 18%, and ethyl cellulose and terpinol degree are 82%, and the mass ratio of ethyl cellulose and terpinol is 1: 9.
Embodiment 3
A kind of dye-sensitized solar cell anode is successively by transparent conductive substrate, fine and close nanocrystalline ZnO film and nanocrystalline porous TiO
2Film constitutes, and described transparent conductive substrate is meant the transparent glass substrate that deposits nesa coating.
Shown in accompanying drawing, this light anode is successively by transparent glass substrate 101, nesa coating 102, fine and close nanocrystalline ZnO film 103, nanocrystalline porous TiO
2 Film 104 is formed.
The preparation method of dye-sensitized solar cell anode:
By spray pyrolysis or sol-gel or magnetron sputtering or chemical vapour deposition (CVD) or pulse laser sediment method, deposition of transparent conductive film 102 forms transparent conductive substrate on transparent glass substrate 101; Described nesa coating is meant Al-Doped ZnO (ZAO) film.
Zinc acetate, EGME and monoethanolamine are mixed into uniform sol at 50 ℃, zinc acetate concentration is that the ratio of the amount of substance of 0.8mol/L and monoethanolamine and zinc acetate is 1: 1 in the colloidal sol, by calculating the amount that can draw the EGME that needs adding; By flooding-lift or the spin-coating method, above colloidal sol is coated in nesa coating 102, then 80 ℃ of baking and curing, make nanocrystalline ZnO film 103 through room temperature to 550 a ℃ sintering 4.5h subsequently, thickness is 600 nanometers.
By silk screen printing, the slurry that nano TiO 2 powder, ethyl cellulose and terpinol are mixed is coated on the nanocrystalline ZnO film 103, makes nanocrystalline porous TiO2 film 104 through room temperature to 500 ℃ sintering a 2～3h, and thickness is 50 microns.Wherein, nano TiO 2 powder degree is 36%, and ethyl cellulose and terpinol degree are 64%, and the mass ratio of ethyl cellulose and terpinol is 1: 15.
Claims (2)
1. the preparation method of a dye-sensitized solar cell anode, described smooth anode comprises transparent conductive substrate and nanocrystalline porous TiO
2Film, this transparent conductive substrate and nanocrystalline porous TiO
2Be covered with fine and close nanocrystalline ZnO film between the film; Described smooth anode preparation method is characterised in that:
The nanocrystalline ZnO film of described densification is to make by the following method: zinc acetate, EGME and monoethanolamine are being mixed into uniform sol below 70 ℃, to flood-to lift or the spin-coating method is coated in above seed liquor on the conducting film of transparent conductive substrate, 100 ℃ of following baking and curing, make through room temperature to 550 ℃ sintering a 4～5h subsequently, thickness is in 100 nanometer to 600 nanometer range;
Described nanocrystalline porous TiO
2Film is by silk screen printing, with nano-TiO
2The slurry that powder, ethyl cellulose and terpinol mix is coated on the nanocrystalline ZnO film, make through room temperature to 500 ℃ sintering a 2～3h, thickness at 5 microns to 50 micrometer ranges.
2. the preparation method of dye-sensitized solar cell anode as claimed in claim 1, it is characterized in that: zinc acetate concentration is 0.3～0.8mol/L in the described colloidal sol, and the ratio of the amount of monoethanolamine and zinc acetate is 1: 1, and surplus is supplied by EGME.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910218650 CN101697319B (en) | 2009-10-29 | 2009-10-29 | Dye-sensitized anode of solar battery light and preparation method thereof |
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| CN 200910218650 CN101697319B (en) | 2009-10-29 | 2009-10-29 | Dye-sensitized anode of solar battery light and preparation method thereof |
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| CN101697319A CN101697319A (en) | 2010-04-21 |
| CN101697319B true CN101697319B (en) | 2011-02-16 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814376A (en) * | 2010-03-17 | 2010-08-25 | 武汉大学 | ZnO composite electrode of dye-sensitized solar battery and preparation method thereof |
| CN104091888B (en) * | 2014-07-17 | 2016-08-17 | 湖北大学 | A kind of Ca-Ti ore type solaode and preparation method thereof |
| CN104282847B (en) * | 2014-09-05 | 2017-04-12 | 石家庄铁道大学 | Interruptible perovskite type organic halide thin-film solar cell photo-anode preparing method |
| CN104576064B (en) * | 2015-01-20 | 2017-05-31 | 西南石油大学 | For the ZnO/SnO of DSSC2The preparation method of complex light anode |
| CN106145692B (en) * | 2015-03-26 | 2018-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Large area monocrystalline porous titanium dioxide thin-film and the preparation method and application thereof |
| CN107039190B (en) * | 2017-04-21 | 2019-01-22 | 沛县国源光伏电力有限公司 | A kind of dye-sensitized solar cells comprising titanium dioxide hollow ball structure |
| CN110120303B (en) * | 2019-05-13 | 2021-05-04 | 陕西理工大学 | Preparation method of quantum dot sensitized solar cell photo-anode with multilayer structure |
| CN111146121B (en) * | 2019-12-25 | 2023-01-24 | 广东爱旭科技有限公司 | PERC solar cell sintering furnace and sintering method |
| CN115843187B (en) * | 2022-12-16 | 2023-10-03 | 杭纳半导体装备(杭州)有限公司 | Composite electron transport layer and preparation method thereof, and solar cell and preparation method thereof |
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