通过优化两步阳极氧化法制备的超长小直径二氧化钛纳米管用于高效染料敏化太阳能电池。
Ultralong, small-diameter TiOTiO₂ nanotubes achieved by an optimized two-step anodization for efficient dye-sensitized solar cells.
作者信息
Wang Xiaoyan, Sun Lidong, Zhang Sam, Wang Xiu
机构信息
School of Mechanical and Aerospace Engineering and §School of Materials Science and Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore.
出版信息
ACS Appl Mater Interfaces. 2014 Feb 12;6(3):1361-5. doi: 10.1021/am404966e. Epub 2014 Jan 22.
An optimized two-step anodization is developed to fabricate ultralong, small-diameter TiO2 nanotubes, that is, with tube length of up to 31 μm 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 μm yield a conversion efficiency of 5.02% in dye-sensitized solar cells under nonoptimized conditions.
本文开发了一种优化的两步阳极氧化法来制备超长、小直径的TiO2纳米管，即本工作中管长可达31μm，孔径约为35nm。这克服了传统一步阳极氧化法中通常存在的小直径管的长度限制。在未优化的条件下，长度为23μm的小管在染料敏化太阳能电池中的转换效率为5.02%。
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