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Coating and Performance of TiO2 Photoanode for Dye…
Author:ZHUANGDongtian LINHong LIXin LIJianbao(StateKeyLa… DepartmentofMaterial… TsinghuaUniversity Beijing100084 China) 
Keyword:dye-sensitized solar cell titanium dioxide photoanode photovoltaic performance coating 
Year,volume(Issue):page number:2010,38(9):1848-1851

Nanocrystalline TiO2 photoanode coated with a thin layer of Al2O3,MgO or ZnO were prepared for dye-sensitized solar cell(DSC) applications.In-situ coating method and immersing coating method The influences of coating method and experiment conditions on the cell performance were discussed.It is shown that the TiO2 crystalline grains are coated with a thin oxide layer of 1-2 nm,acting as the barrier for retarding the recombination of electrons in TiO2 photoanode,leading to the increase of photovoltage.Photocurrent and photo-to-electricity conversion efficiency of DSC with TiO2 photoanode coated by immersing method also increased in a proper concentration of precursor solution and the immersing time.

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