Co-activation effect of chlorine on the physical properties of CdS thin films prepared by CBD technique for photovoltaic applications

被引:10
作者
Amanullah, FM [1 ]
Al-Shammari, AS [1 ]
Al-Dhafiri, AM [1 ]
机构
[1] King Saud Univ, Coll Sci, Dept Phys, Riyadh 11451, Saudi Arabia
来源
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2005年 / 202卷 / 13期
关键词
D O I
10.1002/pssa.200420075
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A simple chemical bath deposition (CBD) technique with ultrasonication has been developed and successfully used to deposit cadmium sulfide (CdS) thin films onto glass substrates from a bath containing cadmium salt and thiourea. The structural and electrical properties of the CdS films were investigated. From the X-ray diffraction pattern, the CdS films were found in both hexagonal and cubic phases. Electrical resistivity, carrier concentration and carrier mobility of the films have been reported. The electrical resistivity of the as-deposited-annealed films was in the range 10(6)-10(8) Omega cm and low for chlorine-dopedannealed films (10(-2) - 10(2) 92 cm). From the Hall measurements, the films showed n-type conductivity. All the results are presented and discussed. The results of the obtained films are promising to find application in optoelectronic devices as well as window material in heterojunction solar cell fabrication. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:2474 / 2478
页数:5
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