CN101101969A - A dye sensitized nano crystal solar battery and its making method - Google Patents
A dye sensitized nano crystal solar battery and its making method Download PDFInfo
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- CN101101969A CN101101969A CN 200710043706 CN200710043706A CN101101969A CN 101101969 A CN101101969 A CN 101101969A CN 200710043706 CN200710043706 CN 200710043706 CN 200710043706 A CN200710043706 A CN 200710043706A CN 101101969 A CN101101969 A CN 101101969A
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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 is concerned with the tincture sensitize nanometer crystal solar battery. It is to apply the molecule material M-TCNQ, the M is metal like Cu, Ag, K, Na, Mg, Ni or Li and so on, the TCNQ is 7,7,8,8-Tetracyanoquinodimethane. The type of the compound is with good absorbency for visible light, high electron transport efficiency and right lightfastness, which improves the conversion efficiency and conquers light decline to prolong the product life cycle.
Description
Technical field
The invention belongs to technical field of solar batteries, be specifically related to a kind of dye sensitized nano crystal salar battery and preparation method thereof.
Background technology
Along with earth mineral resources reduce day by day and people to the improving constantly of energy demand, the research and development of solar cell more and more are subject to people's attention.Using solar cell more, that development is ripe at present is silicon solar cell, but owing to cost an arm and a leg, its extensive use is restricted.For this reason, people begin to be devoted to the research of the solar cell of film-type and other form, can reduce cost greatly on the one hand, are beneficial to a large amount of productions and extensive use; It can prepare on flexible substrate on the other hand, not only can be used for the compact power of field work, in fields such as military affairs, space flight special purpose is arranged also.
Since the eighties, with the research group headed by the M.Gratzel of engineering institute such as the Lausanne, SUI height professor, be subjected to the photosynthetic inspiration of green plants, develop titanium dioxide nanocrystalline DSSC (Dye-sensitizednanocrystalline solar cell is called for short DSSC).This invention opens up a new way for the energy problem that solves the world today.DSSC has that the environmental constraints of being subjected to is little, low in the pollution of the environment, and the manufacturing process energy resource consumption is few, might make the advantages such as structure that both sides all can be subjected to light, becomes one of research focus of the world today.
The structure of dye sensitized nano crystal salar battery and operation principle are as shown in Figure 1.It is by glass substrate 1, transparency conducting layer 2 and 6, nano-TiO
23, sensitizing dyestuff 4 and dielectric 5 are formed.
The problem that dye sensitized nano crystal salar battery exists at present mainly is how to raise the efficiency, improve stability (solve light decay, seek more stable, cheaply, dyestuff efficiently) and seek more suitably electrolyte etc.
The widest sensitizing dyestuff of application study is the bipyridine complex series of metal Ru (Ru), bipyridine complex series, phthalocyanine and cyanines class series, porphyrin series, chlorophyll and the derivative thereof etc. of metal osmium (Os) at present.But they exist light decay, the more high shortcoming of price.
Summary of the invention
The objective of the invention is to dye sensitized nano crystal salar battery that proposes a kind of efficient height, good stability and preparation method thereof.
Dye sensitized nano crystal salar battery provided by the invention, its basic structure is consistent with existing structure, as shown in Figure 1.Sensitizing dyestuff wherein adopts all good functional molecule material M-TCNQ of a class light absorptive, light resistance, conductivity, and M is a metal, as Cu, and Ag, K, Na, Mg, Ni, Li etc.; TCNQ is 7,7,8,8-tetracyano-p-quinodimethane, that is: 7,7,8,8 ,-tetracyanoquinodimethane.The advantage of this compounds is: good to the visible absorption performance, have very high electric transmission efficient, and light resistance is good.Can guarantee the quick injection of electronics; Can improve conversion efficiency and useful life.Fig. 2 is the spectrogram of CuTCNQ as an example, and it has good absorption in the total visible light scope.Other K, Na, Mg, Ni or Li wait the complex with TCNQ that similar spectral characteristic is arranged, and can select or make up utilization during application.
Description of drawings
Fig. 1 is the structural representation of nanocrystalline DSSC.
Fig. 2 is the spectrogram of CuTCNQ.Abscissa is a light wavelength, and ordinate is the transmitance of light.
Number in the figure: 1: glass substrate; 2,6: transparency conducting layer; 3: nano-TiO
24: sensitizing dyestuff; 5: dielectric.
Embodiment
According to shown in Figure 1.
The preparation method of dye sensitized nano crystal salar battery of the present invention is as follows:
1. solid state process: as shown in Figure 1, at nano-TiO
2Plate one deck Cu Deng top with Vacuum Coating method (as thermal evaporation), Ag, K, Na, Mn, Mg, material or their iodide such as Ni or Li, thickness are 10～1000 nanometers, optionally regulate.With Vacuum Coating method plating one deck TCNQ, thickness is 10～500 nanometers, optionally regulates, and carries out heat treatment in 10-60 minute again under 80-160 ℃ of temperature, promptly forms needed new M-TCNQ dye sensitization layer then.
2. solwution method: as shown in Figure 1, at nano-TiO
2Plate one deck Cu Deng top with Vacuum Coating method (as thermal evaporation), Ag, K, Na, Mn, Mg, material or their iodide such as Ni or Li, thickness are 10～1000 nanometers, optionally regulate, be 10-60 degree centigrade with the own nitrile saturated solution temperature of TCNQ then and contact, make it to take place chemical reaction, generate needed M-TCNQ dye sensitization layer.
Other preparation process and technology are similar to conventional dyes sensitized nanocrystalline solar cell.
The present invention propose all good functional molecule material M-TCNQ of a class light absorptive, light resistance, conductivity (M: metal, as Cu, Ag, K, Na, Mg, Ni, Li, etc.; TCNQ:7,7,8, the 8-tetracyano-p-quinodimethane promptly: 7,7,8,8 ,-tetracyanoquinodimethane) as dye sensitizing agent.The characteristics of this compounds also are that major advantage is: good to the visible absorption performance, have very high electric transmission efficient, and light resistance is good.Can guarantee the quick injection of electronics; Can improve conversion efficiency and overcome the shortcoming of light decay, thereby improve useful life; The while relative low price.
Claims (3)
1, a kind of dye sensitized nano crystal salar battery, it is characterized in that based on existing dye sensitized nano crystal salar battery structure, its dye sensitization layer adopts functional molecule material M-TCNQ, and wherein M is metal Cu, Ag, K, Na, Mn, Mg, Ni or Li; TCNQ is 7,7,8, the 8-tetracyano-p-quinodimethane.
2, dye sensitized nano crystal salar battery according to claim 1 is characterized in that the M-TCNQ as the dye sensitization layer, is a kind of M-TCNQ, perhaps is the combination of more than one M-TCNQ.
3, a kind of preparation method of dye sensitized nano crystal salar battery as claimed in claim 1 is characterized in that being the one of the following kind:
1. solid state process: at nano-TiO
2Above with among Vacuum Coating method plating one deck Cu, Ag, K, Na, Mn, Mg, Ni or the Li one or more, or their iodide, gross thickness is 10～1000 nanometers, then with Vacuum Coating method plating one deck TCNQ, thickness is 10～500 nanometers, under 80-160 ℃ of temperature, carry out heat treatment in 10-60 minute again, promptly form needed M-TCNQ dye sensitization layer;
2. solwution method: at nano-TiO
2Above with among Vacuum Coating method plating one deck Cu, Ag, K, Na, Mn, Mg, Ni or the Li one or more, or their iodide, gross thickness is 10～1000 nanometers, contact with the saturated solution of nitrile of TCNQ then, temperature is 10-60 degree centigrade, make it to take place chemical reaction, generate needed M-TCNQ dye sensitization layer;
All the other preparation processes and technology and traditional dye sensitized nano crystal salar battery are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200710043706 CN101101969A (en) | 2007-07-12 | 2007-07-12 | A dye sensitized nano crystal solar battery and its making method |
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| CN 200710043706 CN101101969A (en) | 2007-07-12 | 2007-07-12 | A dye sensitized nano crystal solar battery and its making method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324306A (en) * | 2011-06-21 | 2012-01-18 | 中国科学院理化技术研究所 | Dye-sensitized solar cell working electrode and preparation method that nano silver wire mixes |
| CN103896968A (en) * | 2014-03-13 | 2014-07-02 | 中国科学院化学研究所 | Metal organic coordination polymer thermoelectric material and preparation method and application thereof |
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2007
- 2007-07-12 CN CN 200710043706 patent/CN101101969A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324306A (en) * | 2011-06-21 | 2012-01-18 | 中国科学院理化技术研究所 | Dye-sensitized solar cell working electrode and preparation method that nano silver wire mixes |
| CN103896968A (en) * | 2014-03-13 | 2014-07-02 | 中国科学院化学研究所 | Metal organic coordination polymer thermoelectric material and preparation method and application thereof |
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Open date: 20080109 |