A kind of dye-sensitized solar cell counter electrode material and its preparation method and application
A solar cell and dye sensitization technology, applied in the field of dye-sensitized solar cells, can solve the problems of insufficient dense and firm adhesion of carbon materials and conductive substrates, insufficient electrode preparation process, large surface resistance, etc., and achieve excellent electrical conductivity and Electrocatalytic performance, excellent photoelectric conversion efficiency, good adhesion effect
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Embodiment 1
[0035] In the dye-sensitized solar cell counter electrode material of this example, the tin oxide layer is doped with Ta, and the tin source in its preparation method is SnCl 4 ·5H 2 O, doping element source is TaCl 5 , the carbon source solution is a glucose solution, and the specific preparation method is as follows:
[0036] (1) Configure TaCl 5 The final concentration is 0.0235mol / L, SnCl 4 ·5H 2 O final concentration is 0.3mol / L and thioacetamide final concentration is the tin oxide reaction liquid of 0.8mol / L; Wherein, solvent is the isopropanol and ethanol mixed solution of volume ratio 1:1;
[0037] (2) Put the Ti substrate in it and react at 80°C for 3h;
[0038] (3) After the product obtained in step (2) is washed with water, it is calcined at 500° C. for 2 hours in air;
[0039] (4) After cooling to room temperature, place it in 40g / L glucose solution for hydrothermal reaction at 180°C for 4h;
[0040] (5) Calcining the reacted product at 500° C. for 2 hours ...
Embodiment 2
[0050] In the dye-sensitized solar cell counter electrode material of this example, the tin oxide layer is doped with Ta, and the tin source in its preparation method is SnCl 4 ·5H 2 O, doping element source is TaCl 5 , the carbon source solution is a sucrose solution, and the specific preparation method is as follows:
[0051] (1) Configure TaCl 5 The final concentration is 0.045mol / L, SnCl 4 ·5H 2 O final concentration is 0.4mol / L and thioacetamide final concentration is the tin oxide reaction solution of 0.6mol / L; Wherein, solvent is the mixed solution of isopropanol and water that volume ratio is 1:1;
[0052] (2) Put the Ti substrate in it and react at 100°C for 6h;
[0053] (3) After the product obtained in step (2) is washed with water, it is calcined at 500° C. for 2 hours in air;
[0054] (4) After cooling to room temperature, place it in 100g / L sucrose solution for hydrothermal reaction at 180°C for 2h;
[0055] (5) Calcining the reacted product at 400° C. for...
Embodiment 3
[0063] In the dye-sensitized solar cell counter electrode material of this example, the tin oxide layer is doped with Nb, and the tin source in the preparation method is SnCl 4 ·5H 2 O, doping element source is NbCl 5 , the carbon source solution is a glucose solution, and the specific preparation method is as follows:
[0064] (1) Configure NbCl 5 The final concentration is 0.006mol / L, SnCl 4 ·5H 2 O final concentration is the tin oxide reaction liquid that 1mol / L and thioacetamide final concentration are 0.8mol / L; Wherein, solvent is the mixed solution of ethanol and water that volume ratio is 1:1;
[0065] (2) Put the FTO substrate in it and react at 25°C for 10h;
[0066] (3) After washing the product obtained in step (2) with water, calcining at 400° C. for 3 hours in air;
[0067] (4) After cooling to room temperature, place it in 80g / L glucose solution for hydrothermal reaction at 160°C for 2h;
[0068] (5) Calcining the reacted product at 300° C. for 2 hours in ...
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