VARIATION OF OPTICAL PROPERTIES WITH POST DEPOSITION ANNEALING IN CHEMICALLY DEPOSITED CdZnS THIN FILMS

被引：0
|
作者：
Asogwa, P. U. [1 ]
机构：
[1] Univ Nigeria Nsukka, Dept Phys & Astron, Nsukka, Nigeria
来源：
CHALCOGENIDE LETTERS | 2010年 / 7卷 / 08期
关键词：
Chemical bath deposition; CdZnS; Structural and Optical studies;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thin films of CdZnS were synthesized on the glass substrates by chemical bath deposition at room temperature. The bath is made up of solution of cadmium chloride (CdCl2), as a source of Cd2+, Zinc sulphate (ZnSO4) as a source of Zn2+, thiourea [(NH2)(2)CS] as a source of sulphide ions (S2-) in the presence of ammonia (NH3) as the complexing agent. In the present paper, some interesting results of optical absorption and transmittance spectral studies of chemically deposited CdZnS films are presented. The parameters like band gap, extinction coefficient and refractive index are calculated using the data obtained by different measurements.
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页码：501 / 508
页数：8
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