Structural and optical analysis of Zn1 - xCdxO nanopowder synthesized by Hydrothermal method

被引：15
|
作者：
Sui, Y. R. [1 ]
Cao, Y. [1 ]
Li, X. F. [1 ]
Yue, Y. G. [1 ]
Yao, B. [2 ,3 ]
Li, X. Y. [1 ]
Lang, J. H. [1 ]
Yang, J. H. [1 ]
机构：
[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Siping 136000, Peoples R China
[2] Jilin Univ, State Key Lab Superhard Mat, Changchun 130023, Peoples R China
[3] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Zn-1 (-) xCdxO nanopowder; Photoluminescence; Band-gap; Hydrothermal; CDO THIN-FILMS; ZNO FILMS; PHOTOLUMINESCENCE; FABRICATION; DEPOSITION; GROWTH;
D O I：
10.1016/j.ceramint.2014.08.107
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：
Zn-1 (-) xCdxO nanopowder in a wide range of Cd contents has been obtained by hydrothermal synthesis method. Synthesized nanopowder was characterized by powder X-ray diffraction, X-ray photoelectron spectroscopy, Transmission electron microscopy and Photoluminescence. As x varies from 0 to 1, it was observed that the crystal structure changes from wurtzite (ZnO) to mixture of wurtzite and cubic, and finally to cubic (CdO) structure. The wurtzite-type structure of ZnO can be stabilized up to nominal Cd content x similar to 0.1 without cubic CdO phase separation. For the Zn-1 (-) xCdxO nanopowder with wurzite structure, a significant change was observed in ultra-violet near-band-edge emission with variation in Cd content x. The change is attributed to the direct modulation of band gap caused by Zn/Cd substitution. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：587 / 593
页数：7
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