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Photoinduced growth of Cu nanoparticles on ZnO from CuCl2 in methanol

Cited 5 time in Web of Science Cited 5 time in Scopus
Authors
Lu, Lianhai; Hu, Shuang; Lee, Ho-In; Woll, Christof; Fischer, Roland A.
Issue Date
2007
Publisher
Springer
Citation
Journal of Nanoparticle Research 9, 491–496
Keywords
copper nanocrystalgrowthZnOphotoreductioncopper chloridesurface depositionsemiconductors
Abstract
Cu nanoparticles were formed on surface of nano-ZnO by UV light induced photoreduction of CuCl2 in
methanol solution suspended with ZnO nanoparticles. By controlling the reaction conditions, the average
size of the produced copper nanocrystal can be fine-tuned in the range of 10–200 nm. At constant UV
irradiation, the Cu nanocrystals gradually grew up as the initial concentration of copper cation was
increased, showing that the in situ formed Cu nanoparticles act as a bridge to facilitate the transferring of
photoexcited electrons from ZnO surface to Cu2+ in solution. A Redox property was also proved for the
Cu nanoparticles.
ISSN
1388-0764 (Print)
1572-896X (Online)
Language
English
URI
https://hdl.handle.net/10371/61301
DOI
https://doi.org/10.1007/s11051-006-9087-4
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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