Dyesensitization solar cell containing TiO2 bipyramid and preparation method thereof
A technology of solar cells and dye sensitization, applied in the field of solar cells, can solve the problems of low photoelectric conversion efficiency and achieve the effect of improving photoelectric conversion efficiency, increasing output, and good battery performance
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[0019] A kind of TiO 2 The specific steps of the preparation method of the double cone dye-sensitized solar cell are:
[0020] 1) 0.5~2g of titanium dioxide and 40~60ml of 10~15mol / L alkali solution are thoroughly mixed in a stainless steel autoclave or polytetrafluoroethylene container, and the mixture is reacted at 453~493K for 60~100 h; The pH of the resulting product is adjusted to 9-11, and then placed in a stainless steel autoclave or a polytetrafluoroethylene container, reacted at 453-493K for 2 to 3 days, thoroughly washed with distilled water, and dried under normal pressure at 323-373K 1~40h, get TiO 2 Double cone
[0021] 2) Preparation of thin film electrode slurry: 2-5 g TiO 2 Double cone as raw material, 2-10 g 10% ethyl cellulose as binder, 1-3 g turpentine and 2-20 g alcohol as solvent to prepare a transparent solution: use spin coating technology to coat the solution on conductive glass After sintering at 400-500℃, TiO with regular pore structure is made 2 Double ...
Embodiment 1
[0027] A kind of TiO 2 The specific steps of the preparation method of the double cone dye-sensitized solar cell are:
[0028] 1) 0.5 g of titanium dioxide and 40 ml of 10 mol / l alkali solution are thoroughly mixed in a stainless steel autoclave or a polytetrafluoroethylene container. The mixture is reacted at 453K for 60 h; the pH of the resulting product is adjusted to 9, and then Place it in a stainless steel autoclave or a polytetrafluoroethylene container and react at 453K for 2 days, then fully wash it with distilled water, and dry it at 323K under normal pressure for 40h to obtain TiO 2 Double cone
[0029] 2) Preparation of thin film electrode slurry: add 2 g TiO 2 Double cone as raw material, 2 g of 10% ethyl cellulose as the binder, 1 g of turpentine and 2 g of alcohol as the solvent to prepare a transparent solution: use spin coating technology to coat the solution on conductive glass, and then sinter at 400 ℃, Make TiO with regular pore structure 2 Double cone thin film...
Embodiment 2
[0035] A kind of TiO 2 The specific steps of the preparation method of the double cone dye-sensitized solar cell are:
[0036] 1) 2 grams of titanium dioxide and 60 ml of 15 mol / L alkali solution are thoroughly mixed in a stainless steel autoclave or a polytetrafluoroethylene container. The mixture is reacted at 493K for 100 h; the pH of the resulting product is adjusted to 11, and then Place it in a stainless steel autoclave or a polytetrafluoroethylene container and react at 493K for 3 days, then fully wash it with distilled water, and dry it at 373K at normal pressure for 1 hour to obtain TiO 2 Double cone
[0037] 2) Preparation of thin film electrode slurry: add 5 g TiO 2 Double cone as raw material, 10 g 10% ethyl cellulose as binder, 3 g turpentine and 20 g alcohol as solvent to prepare a transparent solution: use spin coating technology to coat the solution on conductive glass and sinter at 500°C. Make TiO with regular pore structure 2 Double cone thin film electrode;
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