Fabrication and photoluminescence properties of large-scale hierarchical CdS dendrites

被引：36
|
作者：
Pan, Qingtao [1 ]
Huang, Kai [1 ]
Ni, Shibing [1 ]
Wang, Qi [1 ]
Yang, Feng [1 ]
He, Deyan [1 ]
机构：
[1] Lanzhou Univ, Dept Phys, Lanzhou 730000, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 26期
基金：
高等学校博士学科点专项科研基金;
关键词：
D O I：
10.1016/j.matlet.2007.03.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Large-scale hierarchical US dendrites were synthesized by a simple hydrothermal method using 3CdSO(4)center dot 8H(2)O and SC(NH2)(2) as the original reactant. X-ray powder diffraction, transmission electron microscopy, selected-area electronic diffraction and X-ray photoelectron spectroscopy were carried out to characterize the product. The room-temperature photoluminescence (PL) reveals that the as-prepared US products have visible emission of about 485, 561 and 617 nm, and an infrared red (IR) emission centered at 750 nm. The possible photoluminescence mechanisms are proposed in this report. The photoluminescence of CdS dendrites enables them to have great applications in optoelectronic devices. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：4773 / 4776
页数：4
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