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

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 C...

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Bibliographic Details
Published in:Semiconductor science and technology 2017-04, Vol.32 (4), p.45014
Main Authors: Kumarage, W G C, Wijesundera, R P, Seneviratne, V A, Jayalath, C P, Dassanayake, B S
Format: Article
Language:English
Subjects:
CdS
chemical bath deposition
electrodeposition
seed layer
thin film
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Summary: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.
ISSN:0268-1242
1361-6641
DOI:10.1088/1361-6641/aa5ee3