Structural, optical and thermal properties of CdS/Bi2S3 nanocomposites

被引：11
|
作者：
Murugadoss, G. [1 ]
Jayavel, R. [1 ]
Kumar, M. Rajesh [2 ]
机构：
[1] Anna Univ, Ctr Nanosci & Technol, Madras 600025, Tamil Nadu, India
[2] Annamalai Univ, Dept Phys, Annamalainagar 608002, Tamil Nadu, India
来源：
INDIAN JOURNAL OF PHYSICS | 2016年 / 90卷 / 02期
关键词：
Nanocomposites; Luminescence; Quantum confinement; Oxidation; GROWTH;
D O I：
10.1007/s12648-015-0735-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
High-quality crystalline CdS/Bi2S3 core-shell nanoparticles were synthesized by a simple chemical method in air. X-ray diffraction results showed that the CdS/Bi2S3 nanocomposite was a mixture of cubic and orthorhombic structures. The photoluminescence properties of the CdS/Bi2S3 core-shell nanocomposites were improved with respect to the Bi2S3 shell thickness. High-resolution transmission electron microscopic image of the CdS/Bi2S3 confirmed the formation of core-shell structure. Enhanced photoluminescence emission was obtained in the red region for the CdS/Bi2S3 core-shell nanoparticles, which was entirely different from the ideal CdS and Bi2S3 compound. Also, well-crystallized CdO/Bi2O3 composite was thermally prepared by oxidation of CdS/Bi2S3 in air.
引用
收藏
页码：173 / 178
页数：6
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