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Dye-sensitized solar cell photoanode active membrane and preparation method thereof

A solar cell, dye sensitization technology, applied in the field of dye-sensitized solar cell photoanode active film and its preparation, can solve the problems of insufficient electron transport channel, low exciton separation efficiency, low interpenetration, etc., to improve Compatibility and adhesion, wide application range, and the effect of improving the absorption coefficient

Inactive Publication Date: 2014-05-28
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the photoanode active film of dye-sensitized solar cells prepared by the existing method, the interpenetration degree between the stacked active materials is low, the compatibility is not high, there are problems of low exciton separation efficiency, and the electron transport channel is not smooth enough.

Method used

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  • Dye-sensitized solar cell photoanode active membrane and preparation method thereof
  • Dye-sensitized solar cell photoanode active membrane and preparation method thereof
  • Dye-sensitized solar cell photoanode active membrane and preparation method thereof

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Effect test

Embodiment 1

[0028] Example 1 : the concrete process that the present invention prepares photoanode active film is:

[0029] Modification of transparent conductive substrate: After the transparent conductive solid substrate fluorine-doped tin oxide glass (FTO) is treated with aminosiloxane, the surface is modified with a layer of amino groups, and then soaked in carboxyl carbon nanotubes N,N - In dimethylformamide (DMF) solution, CNTs are automatically bonded under the action of EDC·HCl (1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride) To the amino groups on the surface of the solid substrate, a layer of carbon nanotubes can be bonded on the solid substrate (see figure 1 );

[0030] Preparation of modified carbon nanotubes: Soak double-walled carboxyl carbon nanotubes in tetrabutyl titanate solution (mass ratio: 1:1000), stir and react in a water bath at 45°C for 2 hours, and then filter to obtain modified carbon nanotubes ;

[0031] Preparation of slurry: put modi...

Embodiment 2

[0035] Modification of transparent conductive substrate: After the transparent conductive solid substrate indium tin oxide glass (ITO) is treated with aminosiloxane, the surface is modified with a layer of amino groups, and then soaked in carboxyl carbon nanotubes N,N - In dimethylformamide (DMF) solution, CNTs are automatically bonded under the action of EDC·HCl (1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride) To the amino groups on the surface of the solid substrate, a layer of carbon nanotubes can be bonded on the solid substrate (see figure 1 );

[0036] Preparation of modified carbon nanotubes: Soak single-walled carboxyl carbon nanotubes in tetrabutyl silicate solution (mass ratio: 1:1000), stir and react in a water bath at 45°C for 2 hours, and then filter to obtain modified carbon nanotubes ;

[0037] Preparation of slurry: put modified carbon nanotubes and P25 nanocrystals (mass ratio 5:1000) into a mortar, and add cellulose acetate and ethanol ...

Embodiment 3

[0041] Modification of transparent conductive substrate: After the transparent conductive solid substrate indium tin oxide glass (ITO) is treated with aminosiloxane, the surface is modified with a layer of amino groups, and then soaked in carboxyl carbon nanotubes N,N- In dimethylformamide (DMF) solution, CNTs are automatically bonded under the action of EDC·HCl (1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride) To the amino group on the surface of the solid substrate, a layer of carbon nanotubes can be bonded on the solid substrate;

[0042] Preparation of modified carbon nanotubes: Soak single-walled carboxyl carbon nanotubes in a mercaptosiloxane solution (mass ratio: 1:1000), stir and react in a water bath at 45°C for 2 hours, and then filter to obtain modified carbon nanotubes;

[0043] Preparation of slurry: put modified carbon nanotubes and P25 nanocrystals (mass ratio 3:1000) into a mortar, and add cellulose acetate and ethanol for grinding. The mass ...

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Abstract

The invention relates to the field of a dye-sensitized solar cell photoanode active membrane manufacturing technology, and in particular relates to a dye-sensitized solar cell photoanode active membrane and a preparation method of the active membrane, aiming at solving the problems that the dye-sensitized solar cell photoanode active membrane prepared by the existing method is lower in mutual penetration degree among the stacked active substances, lower in compatibility and low in exciton separation efficiency, and an electronic transmission channel is not smooth enough. The invention provides the preparation method of the dye-sensitized solar cell photoanode active membrane; the excellent characteristics of electric conduction and adsorption of a carbon nano tube are utilized, a transparent conductive substrate is organically combined with a titanium dioxide active layer by the carbon nano tube, and the carbon nano tube has the functions of optimizing the electrochemical performance of the surface of a transparent conductive film and improving the dispersity and the light absorption intensity of the titanium dioxide.

Description

Technical field [0001] Background technique [0002] [0003] [0004] [0005] Invention content [0006] [0007] [0008] [0009] [0010] [0011] [0012] [0013] [0014] [0015] [0016] [0017] [0018] [0019] Attachment description: [0020] figure 1 [0021] figure 2 [0022] image 3 [0023] Figure 4 Detailed ways: [0024] [0025] [0026] [0027] N, n figure 1 ); [0028] [0029] [0030] [0031] image 3 image 3 image 3 b). Figure 4 b). Figure 4 To. [0032] Example 2: [0033] N, n figure 1 ); [0034] [0035] figure 2 ); [0036] [0037] [0038] Example 3: [0039] N, n [0040] Preparation and modified carbon nanotuba: Soak the single -wall carboxyl carbon nanopolytic tube in the cymbal silicone solution (the mass ratio is 1: 1000), stir at 45 ° C water bath reaction for 2 hours, and then filter to get modified carbon nanotubes; [0041] Preparation of pulp: Put the modified carbon nanotubes and P25 nanocrystal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/042H01G9/20
CPCY02E10/542
Inventor 王奇观黄钉劲曹永军王素敏李建平
Owner XIAN TECH UNIV
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