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摘要
An optimized two-step anodization is developed to fabricate ultralong, small-diameter TiO2 nanotubes, that is, with tube length of up to 31 mu m and pore diameter of about 35 nm in this work. This overcomes the length limitation of small diameter tubes that usually presents in conventional one-step anodization. The small tubes with lengths of 23 mu m yield a conversion efficiency of 5.02% in dye-sensitized solar cells under nonoptimized conditions.
- 出版日期2014-2-12
- 单位重庆大学; 南阳理工学院
