Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 17, Issue -, Pages 34-37Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.01.021
Keywords
Alternating-current anodization; Dye-sensitized solar cell; TiO2 nanotube arrays
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Funding
- National Basic Research Program of China (973 Program) [2012CB933100]
- National Natural Science Foundation of China [NSFC. 21073079, J1010067]
- Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20110211130001]
- Fundamental Research Funds for the Central Universities
- 111 Project
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Highly uniform TiO2 nanotube arrays with regular periodical sidewall morphology were fabricated by both alternating-voltage (AV) and alternating-current (AC) anodization methods. It was revealed that the AC anodization provided a better control to the sidewall morphology than the AV anodization. Various bamboo-shaped nanotube arrays were prepared by using AC anodization with different current functions. Dye-sensitized solar cells (DSSCs) fabricated using different TiO2 nanotube arrays showed that the AC anodization with square-wave driving current gave the highest photo energy conversion efficiency. (C) 2012 Elsevier B.V. All rights reserved.
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