Influence of Calcining Process on Optical Properties of Al-doped-ZnO Powders

被引：1

作者：

Wang Zhi-Yong ^{[1
]}

Peng Chao-Qun ^{[1
]}

Wang Ri-Chu ^{[1
]}

Wang Xiao-Feng ^{[1
]}

Liu Bing ^{[1
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China

来源：

JOURNAL OF INORGANIC MATERIALS | 2013年 / 28卷 / 02期

关键词：

AZO; XPS; UV-Vis absorbance property; photoluminescence; polyacrylamide gel rout; TEMPERATURE;

D O I：

10.3724/SP.J.1077.2013.12185

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

AZO precursors (x(Al) = 5.5mol%, 6.5mol%) were successfully synthesized by the polyacrylamide gel rout. The influence of calcining process on the optical properties of Al-doped-ZnO powders were investigated. It was found that Al concentration in the solution decreased with increasing calcination temperature. The ZnAl2O4 phase was detected in the AZO powders after calcined at 750 degrees C. With increasing calcination temperature, the wavelength of UV absorbance peak was moved from 366 nm to 377 nm, while the peak displayed blue shift and the intensity was improved with prolonging calcination time. The room temperature photoluminescence spectra showed that emission peaks were composed of ultraviolet peak (354 nm), detectable ultraviolet peak (406 nm) and blue emission peak (430 nm).

引用

页码：171 / 176

页数：6

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