Synthesis and Strong Blue-Green Emission Properties of ZnO Nanowires
LIU Dong-Fang, TANG Dong-Sheng, CI Li-Jie, YAN Xiao-Qin, LIANG Ying-Xin, ZHOU Zhen-Ping, YUAN Hua-Jun, ZHOU Wei-Ya, WANG Gang
Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
Synthesis and Strong Blue-Green Emission Properties of ZnO Nanowires
LIU Dong-Fang;TANG Dong-Sheng;CI Li-Jie;YAN Xiao-Qin;LIANG Ying-Xin;ZHOU Zhen-Ping;YUAN Hua-Jun;ZHOU Wei-Ya;WANG Gang
Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
78.55.m ,
78.40.Fy ,
42.70.Qs
Abstract ： ZnO nanowires were catalytically grown on Au-coated silicon substrates by the carbon thermal reduction method. The process involved addition of a low partial pressure of hydrogen sulfide to the argon carrier flow. The addition of H2 S led to the higher yield and longer nanowires without any morphology change, and no sulfuric content was observed by the energy dispersive x-ray spectroscopy in the resulting nanowires. The nanowires exhibited strong blue-green emission at room temperature and an increasing intensity when the partial pressure of H2 S was raised. The temperature-dependent photoluminescence spectra show that intensity of the blue-green emission, almost without shift, decreases slowly with increasing temperature. Heat treatments indicated that quenching resulted in a higher ratio of blue-green emission to ultraviolet emission.
Key words ：
78.55.m
78.40.Fy
42.70.Qs
出版日期: 2003-06-01
引用本文:
LIU Dong-Fang;TANG Dong-Sheng;CI Li-Jie;YAN Xiao-Qin;LIANG Ying-Xin;ZHOU Zhen-Ping;YUAN Hua-Jun;ZHOU Wei-Ya;WANG Gang. Synthesis and Strong Blue-Green Emission Properties of ZnO Nanowires[J]. 中国物理快报, 2003, 20(6): 928-931.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I6/928
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2003, Vol. 20 
