ZnO nanowires with high aspect ratios grown by metalorganic chemical vapor deposition using gold nanoparticles

被引:149
作者
Kim, SW
Fujita, S
Fujita, S
机构
[1] Kyoto Univ, Int Innovat Ctr, Nishikyo Ku, Kyoto 6158510, Japan
[2] Kyoto Univ, Dept Elect Sci & Engn, Nishikyo Ku, Kyoto 6158510, Japan
关键词
D O I
10.1063/1.1883320
中图分类号
O59 [应用物理学];
学科分类号
摘要
ZnO nanowires with diameters ranging front 20 to 60 nm and lengths in the range 5-15 mu m were synthesized by metalorganic chemical vapor deposition, assisted by colloidal gold nanoparticles with a diameter of 20 nm dispersed on SiO2/Si subsrates. The ZnO nanowires were found to have a high-internal quantum efficiency and negligibly weak deep-level emission, as evidenced by photoluminescence measurements. The clear observation of free-exciton and biexciton emission indicates that the ZnO nanowires prepared by this method are of high quality. (C) 2005 American Institute of Physics.
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页码:1 / 3
页数:3
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