Influence of annealing on ZnO films grown by metal-organic chemical vapor deposition

被引:28
|
作者
Li, HX
Liu, H [1 ]
Wang, JY
Yao, SS
Cheng, XF
Boughton, RI
机构
[1] Shandong Univ, State Key Lab Crystal Growth Mat, Jinan 250100, Peoples R China
[2] Bowling Green State Univ, Dept Phys & Astron, Bowling Green, OH 43403 USA
关键词
atomic force microscopy; chemical vapor deposition; surfaces; heat treatment;
D O I
10.1016/j.matlet.2004.07.014
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Zinc oxide (ZnO) films were deposited on silica glass substrates using metal-organic chemical vapor deposition (MOCVD) with diethyl zinc (DEZn) as the Zn precursor and ethanol as the oxygen source. Annealing was performed at 600 degreesC for 1 h in air. The X-ray diffraction (XRD) patterns of the samples show sharp diffraction peaks for ZnO (0002), which indicates that the films are highly c-axis oriented. The films were also characterized by measuring the optical transmission spectrum, atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). The XPS spectra showed that the ZnO films changed from O-rich to Zn-rich after being annealed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:3630 / 3633
页数:4
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