Photoluminescence Study of ZnS and ZnS: Pb Nanoparticles

被引：2

作者：

Virpal ^{[1
]}

Hastir, Anita ^{[1
]}

Kaur, Jasmeet ^{[1
]}

Singh, Gurpreet ^{[1
]}

Singh, Ravi Chand ^{[1
]}

机构：

[1] Guru Nanak Dev Univ, Dept Phys, Lab Sensors & Phys Educ, Amritsar 143005, Punjab, India

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON CONDENSED MATTER PHYSICS 2014 (ICCMP 2014) | 2015年 / 1661卷

关键词：

Semiconductor; X-ray diffraction; Nanopowder; Cubic structure;

D O I：

10.1063/1.4915370

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Photoluminescence (PL) study of pure and 5wt. % lead doped ZnS prepared by co-precipitation method was conducted at room temperature. The prepared nanoparticles were characterized by X-ray Diffraction (XRD), UV-Visible (UV-Vis) spectrophotometer, Photoluminescence (PL) and Raman spectroscopy. XRD patterns confirm cubic structure of ZnS and PbS in doped sample. The band gap energy value increased in case of Pb doped ZnS nanoparticles. The PL spectrum of pure ZnS was de-convoluted into two peaks centered at 399nm and 441nm which were attributed to defect states of ZnS. In doped sample, a shoulder peak at 389nm and a broad peak centered at 505nm were observed. This broad green emission peak originated due to Pb activated ZnS states.

引用

页数：4

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