Fabrication and optical properties of large-scale uniform zinc oxide nanowire arrays by one-step electrochemical deposition technique

被引:523
作者
Zheng, MJ [1 ]
Zhang, LD
Li, GH
Shen, WZ
机构
[1] Shanghai Jiao Tong Univ, Dept Phys, Lab Condensed Matter Spect & Optoelect Phys, Shanghai 200240, Peoples R China
[2] Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China
关键词
ZnO nanowire array; electrochemical deposition; photoluminescence property; oxygen vacancies;
D O I
10.1016/S0009-2614(02)01106-5
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Semiconductor ZnO nanowire arrays were fabricated by one-step electrochemical deposition technique based on ordered nanoporous alumina membrane. Their microstructures were characterized by transmission electron microscopy, Raman spectrum, and scanning electron microscopy. The results indicate that the ZnO nanowire array is uniformly assembled into the nanochannels of anodic alumina membranes (AAM). It is found that photoluminescence spectrum of the ZnO/AAM assembly system depends on the excitation wavelength in the visible region, which is attributed to different types of oxygen vacancies in the ZnO nanowires. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:123 / 128
页数:6
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