期刊
CATALYSIS COMMUNICATIONS
卷 56, 期 -, 页码 45-49出版社
ELSEVIER
DOI: 10.1016/j.catcom.2014.07.009
关键词
Nanowire; Aqueous chemical growth; Cathodoluminescence; Photocatalysts
资金
- National Science Council, Taiwan [NSC 102-2218-E-035-009]
Aligned ZnO nanowire arrays have been grown on the silicon substrates with ZnO seed layer by an aqueous chemical growth process at low reaction temperature. The volumes of ammonium hydroxide solution are not only controlled by the dimension and density of ZnO nanowires, but are also influenced by their optical emission property. The ZnO nanowire arrays exhibit very strong and broad green emission from defect in the cathodoluminescence spectrum. In addition, the ZnO nanowires grown on the silicon substrates can serve as effective and convenient recyclable photocatalysts. Only a very slight decrease in the photodecomposition rate was observed after ten cycles of the photocatalysis experiment. (C) 2014 Published by Elsevier B.V.
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