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Advanced Materials

Toward Hierarchical TiO2 Nanotube Arrays for Efficient Dye-Sensitized Solar Cells

Authors

  • Fuwei Zhuge,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
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  • Jijun Qiu,

    Corresponding author
    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
    • State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China.
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  • Xiaomin Li,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
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  • Xiangdong Gao,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
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  • Xiaoyan Gan,

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
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  • Weidong Yu

    1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SIC, CAS); Dingxi Rd. 1295, Shanghai, 200050, P. R. China
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Abstract

A step-wise template process is developed for the fabrication of high-aspect-ratio, hierarchical TiO2 nanotube arrays directly on transparent conductive oxides. Significantly enhanced dye loading capability and photoelectrochemical performances are demonstrated in dye-sensitized solar cells with the adoption of a hierarchical nanocrystalline shell.

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