A method for improving the photoelectric performance of zinc oxide-based dye-sensitized solar cells
A solar cell and dye sensitization technology is applied in the field of improving the photoelectric performance of zinc oxide-based dye-sensitized solar cells to achieve the effect of performance enhancement
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Embodiment 1
[0026] 1) Add ZnO nanocrystals to ethyl cellulose ethanol solution, stir well to prepare slurry, print it on conductive glass by screen printing and fire at 525℃ for 2h to obtain ZnO electrode material to be processed;
[0027] 2) Add zinc nitrate and terephthalic acid to N,N'-dimethylformamide, stir thoroughly until completely dissolved, while stirring, add triethylamine to the clear solution and continue stirring; the reaction is over The post product was washed with N,N'-dimethylformamide and dried to obtain the metal organic framework material MOF-5;
[0028] 3) The powder material of MOF-5 is added to the ethanol solution containing 25wt% ethyl cellulose and 12wt% terpineol, fully stirred to prepare the MOF-5 precursor slurry, and screen printed on the ZnO electrode material After the surface, it was calcined in the air at 350°C for 6 hours to obtain a scattering layer with a thickness of 8 μm. The scattering layer was composed of ZnO aggregates in the shape of a parallelepipe...
Embodiment 2
[0032] 1) Add ZnO nanocrystals to ethyl cellulose ethanol solution, stir well to prepare slurry, print it on conductive glass by screen printing and fire at 525℃ for 2h to obtain ZnO electrode material to be processed;
[0033] 2) Add zinc nitrate and terephthalic acid to N,N'-dimethylformamide, stir thoroughly until completely dissolved, while stirring, add triethylamine to the clear solution and continue stirring; the reaction is over The post product was washed with N,N'-dimethylformamide and dried to obtain the metal organic framework material MOF-5;
[0034] 3) Add the powder material of MOF-5 to the ethanol solution containing 12wt% ethyl cellulose and 8wt% terpineol, stir thoroughly to prepare MOF-5 precursor slurry, and screen-print it on the ZnO electrode material After the surface, calcined in the air at 450°C for 2 hours to obtain a scattering layer with a thickness of 4 μm, which is composed of ZnO aggregates in a parallelepiped shape;
[0035] 4) Soak the ZnO electrode ...
Embodiment 3
[0038] 1) Add ZnO nanocrystals to ethyl cellulose ethanol solution, stir well to prepare slurry, print it on conductive glass by screen printing and fire at 525℃ for 2h to obtain ZnO electrode material to be processed;
[0039] 2) Add zinc nitrate and terephthalic acid to N,N'-dimethylformamide, stir thoroughly until completely dissolved, while stirring, add triethylamine to the clear solution and continue stirring; the reaction is over The post product was washed with N,N'-dimethylformamide and dried to obtain the metal organic framework material MOF-5;
[0040] 3) Add the powder material of MOF-5 to the ethanol solution containing 1wt% ethyl cellulose and 1wt% terpineol, stir thoroughly to prepare the MOF-5 precursor slurry, and screen print it on the ZnO electrode material After the surface, it was calcined in the air at 550°C for 1 h to obtain a scattering layer with a thickness of 0.5 μm, which was composed of ZnO aggregates in a parallelepiped shape;
[0041] 4) Soak the ZnO e...
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