Novel substitutional effects on optical properties of Cds:Co system (A theoretical study)

被引：19
|
作者：
Khan, M. Junaid Iqbal [1 ]
Usmani, M. Nauman [1 ]
Kanwal, Zarfishan [1 ]
Akhtar, Perveen [1 ]
机构：
[1] Bahauddin Zakariya Univ, Lab Theoret & Expt Phys, Multan 60800, Pakistan
来源：
OPTIK | 2018年 / 156卷
关键词：
DFT calculations; Cadmium sulfide; Co-doping; Density of states; Optical properties; QUANTUM DOTS; THIN-FILMS; AB-INITIO; DOPED CDS;
D O I：
10.1016/j.ijleo.2017.12.041
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In current study, we calculate optical properties of Co doped CdS system for pure CdS and for 2 x 2 x 2 supercell configuration with two types of substitutions; Cd substitution and interstitial substitution accompanied by creating sulfur vacancy. Graphical trends for optical properties are almost similar except in case of interstitial substitution where quantum mechanical effects are particularly observed and curve shows slight different behavior. Study reveals that optical properties are enhanced and absorption increases in visible region. Effect of Co doping within CdS host lattice demonstrates that electro-optical properties are enhanced. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：817 / 824
页数：8
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