期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 22, 期 -, 页码 162-165出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.05.037
关键词
TiO2 nanotube; Photocatalyst; Anodization; Morphology; Water splitting
资金
- DFG
- Erlangen DFG cluster of excellence
The present work investigates the photocatalytic performance of TiO2 nanotubes with different tube top morphologies. Such morphological variations are obtained when growing self-organized nanotube arrays under different (but widely used) anodization conditions. We compare the most typical appearances of tube tops that are: i) grassy tubes, ii) tubes with initiation layers, iii) doubled anodized and iv) open tubes. The results show that tubes with an open, defined mouth have a significantly enhanced photocatalytic performance in open circuit, dye degradation experiments as well as when used as a photoanodes for photoelectrochemical water splitting. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
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