期刊
ACS APPLIED MATERIALS & INTERFACES
卷 3, 期 5, 页码 1721-1725出版社
AMER CHEMICAL SOC
DOI: 10.1021/am200232g
关键词
V-TiO2; photoanode; gradient; V doping; dye-sensitized solar cell
资金
- Chinese Ministry of Education [208008]
- China Postdoctoral Science Foundation [20080440674]
- China Postdoctoral Science Special Foundation [201003294]
V-TiO2(GC) photoanode film with graduated structure was prepared in a dye-sensitized solar cell work electrode by layer-by-layer method using TiO2 precursor with gradations in V concentration on the indium tin oxide transparent conducting glass from substrate to surface. The effects of the gradient in V concentration on the structures and properties of TiO2 photoanode film were discussed. The structure of the gradient V concentration has remarkable influence on the final performance of the DSSCs and I-V characteristic measurement indicates an enhanced efficiency by 31% as compared to pure TiO2 nanoparticles film samples due to abundant solar light, fast injection and photoexcited electrons, simultaneously. transmission velocity and the slowdown recombination of photoexcited electrons, simultaneously.
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