Chinese Journal of Catalysis ›› 2015, Vol. 36 ›› Issue (12): 2171-2177.DOI: 10.1016/S1872-2067(15)60981-0

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Design and construction of a film of mesoporous single-crystal rutile TiO2 rod arrays for photoelectrochemical water oxidation

Chao Zhena, Tingting Wua, Mohammad W. Kadib, Iqbal Ismailb, Gang Liua, Hui-Ming Chenga,b   

  1. a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China;
    b Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • Received:2015-08-29 Revised:2015-09-20 Online:2015-12-02 Published:2015-12-07
  • Supported by:

    This work was supported by the National Basic Research Program of China (2014CB239401), the National Natural Science Foundation of China (51402306, 51422210, 21090343), and the Deanship of Scientific Research (50-130-35-HiCi), King Abdulaziz University, Saudi Arabia.

Abstract:

A film of mesoporous single-crystal rutile TiO2 rod arrays supported on a transparent conductive glass substrate was synthesized with the assistance of a template layer of closely packed silica nanospheres. This film was used as a photoanode and showed significant improvement for photoelectrochemical water oxidation compared with a reference film of nonporous single-crystal rutile TiO2 rod arrays.

Key words: Titania, Photoanode, Mesopore, Single crystal, Rod array