Preparation method of blanket type light anode for dye sensitized solar cell
A solar cell and dye sensitization technology, which is applied in the photoanode of dye-sensitized solar cells and its preparation field, can solve the problem of restricting the photoelectric conversion efficiency of dye-sensitized solar cells, limiting fast migration, and the ineffectiveness of photogenerated electrons and holes. Separation and other issues to achieve the effect of improving photoelectric conversion efficiency, reducing dark current, and reducing grain boundary energy barriers
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[0026]Put the high-purity titanium plate into 8M NaOH solution at 150°C and react for 24 hours to prepare a titanium-based titanate nanowire array film, and put the resulting titanium-based titanate nanowire array film into 0.05mol / L Fully soak in dilute hydrochloric acid until the white film on the surface is separated from the substrate to obtain a titanate nanowire array film; apply a layer of sticky P25 titanium oxide colloid on the surface of transparent conductive glass by scraping, and then coat the titanate nanowires The array film is bonded to the surface of titanium dioxide colloid, after drying, it is sintered at 300°C for 50 minutes to obtain a composite film of porous titanium dioxide nanocrystalline film and titanium dioxide nanowire array film; finally, the composite film is soaked in 4×10 -4 mol / L dye in an organic solution for 8 hours to obtain the final carpet photoanode for dye-sensitized solar cells.
[0027] The prepared dye-sensitized solar cell carpet ph...
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