Structural, optical and electrical properties of spherical shaped wurtzite ZnS nanoparticles dispersed in polyvinyl alcohol matrix

被引：4
|
作者：
Baishya, U. [1 ]
Sarkar, D. [1 ]
机构：
[1] Gauhati Univ, Dept Phys, Gauhati 781014, Assam, India
来源：
INDIAN JOURNAL OF PHYSICS | 2013年 / 87卷 / 08期
关键词：
Semiconductor; Chemical bath deposition; XRD; NANOCOMPOSITE; FILMS;
D O I：
10.1007/s12648-013-0312-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
ZnS nanocrystals are grown into the polyvinyl alcohol matrix by chemical bath deposition. XRD result of the composite film shows wurtzite structure with peaks at 2 theta values of 28.5A degrees, 47.58A degrees and 56.39A degrees for (002), (110) and (112) planes respectively. SEM and TEM micrographs of the films reveal formation of spherical ZnS nanoparticles. Nanostructured thin film prepared under optimum growth conditions shows bandgap value of 3.65 eV, as observed from UV-Visible transmission spectrum. Room temperature photoluminescence spectrum shows peak at 396 nm. I-V shows symmetric nonlinear behavior under illumination. Electrical conductivity shows semiconduction nature.
引用
收藏
页码：763 / 766
页数：4
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