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题名: Photoluminescence characterization of nanocrystalline ZnO array
作者: Chang YQ;  Yu DP;  Li GH;  Fang ZL;  Zhang Y;  Chen YF;  Yang FH
发表日期: 2004
摘要: High-density and uniform well-aligned ZnO sub-micron rods are synthesized on the silicon substrate over a large area. The morphology, and structure of the ZnO sub-micron rods are investigated by x-ray diffraction, transmission electron microscopy and Raman spectra. It is found that the ZnO sub-micron rods are of high crystal quality with the diameter in the range of 400-600 nm and the length of several micrometres long. The optical properties were studied bill photoluminescence spectra. The results show that the intensity of the ultraviolet emission at 3.3 eV is rather high, meanwhile the deep level transition centred at about 2.38 eV is weak. The free exciton emission could also be observed at low, temperature, which implies the high optical quality of the ZnO sub-micron rods. This growth technique provides one effective way to fabricate the high crystal quality ZnO nanowires array, which is very important for potential applications in the new-type optoelectronic nanodevices.
KOS主题词: atomic layer deposition
刊名: CHINESE PHYSICS LETTERS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Chang, YQ; Yu, DP; Li, GH; Fang, ZL; Zhang, Y; Chen, YF; Yang, FH .Photoluminescence characterization of nanocrystalline ZnO array ,CHINESE PHYSICS LETTERS,NOV 2004,21 (11):2301-2304
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