A study on the enhancement of opto-electronic properties of CdS thin films: seed-assisted fabrication

被引：17
作者：
Kumarage, W. G. C. [1 ,2 ]
Wijesundera, R. P. [3 ]
Seneviratne, V. A. [1 ,2 ]
Jayalath, C. P. [1 ,2 ]
Dassanayake, B. S. [1 ,2 ]
机构：
[1] Univ Peradeniya, Postgrad Inst Sci, Peradeniya 20400, Sri Lanka
[2] Univ Peradeniya, Dept Phys, Fac Sci, Peradeniya 20400, Sri Lanka
[3] Univ Kelaniya, Dept Phys, Fac Sci, Kelaniya 11600, Sri Lanka
来源：
SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 2017年 / 32卷 / 04期
基金：
美国国家科学基金会;
关键词：
chemical bath deposition; electrodeposition; seed layer; CdS; thin film; CHEMICAL BATH DEPOSITION; BY-ATOM GROWTH; PHYSICAL-PROPERTIES; OPTICAL-PROPERTIES; SURFACE-ROUGHNESS; ELECTRODEPOSITION; TEMPERATURE; MECHANISM; THICKNESS; KINETICS;
D O I：
10.1088/1361-6641/aa5ee3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel method of fabricating chemical bath deposited CdS thin films (CBD-CdS) by using electrodeposited CdS (ED-CdS) as a seed layer is reported. The resulting thin, compact, uniform and adherent seed-assisted CdS films (ED/CBD-CdS) show enhanced effective surface area compared to both ED-CdS and CBD-CdS. The phase of these CdS films was determined to be hexagonal. The fabricated. ED/CBD-CdS films show higher photoelectrochemical (PEC) cell efficiency than either ED-CdS and CBD-CdS thin films. Carrier concentration and flat band potential values for ED/CBD-CdS systems are also found to be superior compared to both ED-CdS and CBD-CdS systems.
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页数：11
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