Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 13, Issue 3, Pages 290-293Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.01.006
Keywords
TiO2 nanotube; Pt nanoparticles; Methanol electrooxidation; Photocatalysis; UV cleaning; Refresh
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Funding
- National Natural Science Foundation of China [21005012, 11004025]
- Fundamental Research Funds for the Central Universities [N100405004, N090405014, N090105001]
- MOE Key Laboratory of Analytical Chemistry for Life Science [KLACLS01006]
- National Laboratory of Solid State Microstructures, Ministry of Education [M23009]
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Pt nanoparticles (diameter similar to 5 nm) are decorated uniformly on the TiO2 nanotube arrays (TiNT) by a two-step photo irradiation method. The resulting hybrid nanotube arrays show an excellent catalytic activity for methanol electrooxidation. The anodic current density of methanol electrooxidation can significantly be improved compared with previous methods. The photocatalytic properties of TiO2 make the POINT arrays reusable after a short UV treatment, and the electrooxidation current density of Pt/TiNT after UV-cleaning can almost fully be re-established. (C) 2011 Elsevier B.V. All rights reserved.
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