Structural and optical properties of ZnO nanopowder prepared by microwave-assisted synthesis

被引：28
|
作者：
Lee, Y. C. [1 ]
Yang, C. S. [2 ]
Huang, H. J. [2 ]
Hu, S. Y. [3 ]
Lee, J. W. [4 ]
Cheng, C. F. [5 ]
Huang, C. C. [1 ]
Tsai, M. K. [1 ]
Kuang, H. C. [1 ]
机构：
[1] Tungnan Univ, Dept Elect Engn, Taipei, Taiwan
[2] Tatung Univ, Grad Inst Electroopt Engn, Taipei 104, Taiwan
[3] Tung Fang Inst Technol, Dept Elect Engn, Kaohsiung, Taiwan
[4] Ming Chi Univ Technol, Dept Mat Engn, Taipei, Taiwan
[5] Chung Yuan Christian Univ, Dept Chem, Chungli 32023, Taiwan
来源：
JOURNAL OF LUMINESCENCE | 2010年 / 130卷 / 10期
关键词：
Zinc oxide; Microwave-assisted synthesis; X-ray diffraction; Photoluminescence; THIN-FILMS; PHOTOLUMINESCENCE;
D O I：
10.1016/j.jlumin.2010.04.005
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the characterization of nano-size zinc oxide (ZnO) powder synthesized via microwave-assisted heating of Zn(CH3COO)(2)center dot 2H(2)O and NaHCO3 solution with deionized water (DI water) as the solvent. The as-synthesized ZnO powder was calcined at temperatures from 400 to 800 degrees C for 8 h. The X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) spectra revealed pure wurtzite structure for the ZnO nanopowder (NP) calcined at 800 degrees C. Scanning electron microscopy (SEM) images showed increasing size ZnO NP with uniform size distribution with increase in calcination temperature. Significant UV emission at about 373 nm has been observed in the photoluminescence (PL) spectra of the as-synthesized and calcined ZnO NP. Our results showed enhanced PL intensity with a reduced full-width at half-maximum (FWHM) for ZnO NP synthesized at higher calcination temperature. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1756 / 1759
页数：4
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