Photoluminescence properties of single crystalline ZnO/CdS core/shell one-dimensional nanostructures

被引：18
|
作者：
Meng, X. Q.
Zhao, D. X.
Zhang, J. Y.
Shen, D. Z.
Lu, Y. M.
Fan, X. W.
Wang, X. H.
机构：
[1] Chinese Acad Sci, Key Lab Excited State Proc, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
[3] Changchun Univ Sci & Technol, Natl Key Lab High Power Semicond Laser, Changchun 130022, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 16期
基金：
中国国家自然科学基金;
关键词：
ZnO/CdS nanostructures; single crystal; optical properties;
D O I：
10.1016/j.matlet.2006.11.136
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO/CdS core/shell one-dimensional nanostructures were synthesized using ZnO nanorod arrays as templates, which were fabricated by a vapor transport process. US shells with various thicknesses were epitaxially grown on the ZnO nanorod arrays by metal organic chemical vapor deposition. Selected area electron diffraction measurement revealed that both ZnO cores and US shells were single crystalline growing along the c-axis. The photoluminescence properties of the ZnO/CdS core/shell nanostructures were also varied with different US shell thicknesses. A carrier transition process from ZnO to US was assumed to induce the enhancement of CdS photoluminescence. (c) 2006 Elsevier B.V All rights reserved.
引用
收藏
页码：3535 / 3538
页数：4
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