期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 704, 期 -, 页码 19-23出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2013.06.008
关键词
Copper oxide; Nanowires; Photoelectrochemistry; Template synthesis
资金
- National Dong Hwa University
- National Science Council of the Republic of China, Taiwan [NSC 101-2221-E-259-011]
The direct-grown p-type copper oxide nanowires on copper foil were fabricated via a facile and cost-effective template route for photoelectrochemical (PEC) hydrogen generation. The dense and curl-shaped copper oxide nanowires were carried out through thermal transformation of one-dimensional Cu(OH)(2). The effect of thermal treatment on structure and composition revealed the phase transformation to CuO and Cu2O within the nanowire matrix by examinations of XRD and XPS. Significantly, PEC characteristics illustrated that the high active photocathode of copper oxide nanowires can achieve the photocurrent of -1.3 mA cm(-2) at a potential of -0.4 V vs. Ag/AgCl, corresponding to the solar conversion efficiency of 1.3%. The photoresponse of this hybrid copper oxide nanowires widely extended in the near-infrared wavelength of 920 nm, which have great potential application for light-harvesting device. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
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