Structural, morphological and photoluminescence studies of multi shells coated ZnO nanocomposites

被引：8
|
作者：
Ramasamy, V. [1 ]
Anandan, C. [1 ]
Murugadoss, G. [2 ]
机构：
[1] Annamalai Univ, Dept Phys, Annamalainagar 608002, Tamil Nadu, India
[2] Anna Univ, Ctr Nanosci & Technol, Madras 600025, Tamil Nadu, India
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2013年 / 61卷
关键词：
Nanocomposite; Core-shell; Surface defects; Quantum confinement; PL; OPTICAL-PROPERTIES; QUANTUM DOTS; NANOPARTICLES; SIZE; NANOCRYSTALS; NANOWIRES; NANOSTRUCTURES; REDUCTION; DYNAMICS; POWDERS;
D O I：
10.1016/j.spmi.2013.06.021
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
ZnO/CdS/ZnS (0.1-0.5 M) nanocomposites were successfully synthesized by chemical method and excellent optical properties were reported. Obtained samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Photoluminescence (PL), UV-visible spectrophotometer and thermo gravimetric-differential thermal analysis (TG-DTA). The XRD results showed cubic structure of CdS and ZnS were (size of about >5 nm) grew on the surface of the hexagonal ZnO nanoparticles. The measurement of luminescence revealed that ZnO/CdS/ZnS core-shell integrated the luminescent effect of ZnO, CdS and ZnS. Broad blue and sharp yellow emissions were observed for ZnO/CdS/ZnS core-shell nanocomposites. In addition, thermal stability was also analyzed. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：106 / 114
页数：9
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