期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 19, 期 31, 页码 5547-5553出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b902883h
关键词
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资金
- Chinese Academy of Sciences, the National Natural Science Foundation of China [20873138, 20873136]
- State Key Laboratory of Electroanalytical Chemistry
Catalytic degradation of organic dye molecules has attracted extensive attention due to their high toxicity to water resources. In this paper, we propose a novel method for the fabrication of uniform silver-coated ZnO nanowire arrays. The degradation of typical dye molecule rhodamine 6G (R6G), as an example, is investigated in the presence of the as-prepared silver-coated ZnO nanowire arrays. The experimental results show that such composite nanostructures exhibit high catalytic activity, and the reaction follows pseudo-first-order kinetics. Furthermore, these nanowire arrays are desirable SERS substrates for monitoring the catalytic degradation of dye molecules. Compared with traditional UV-visible spectroscopy, SERS technology can reflect more truly the catalytic degradation process occurring on the surface of the catalysts.
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