Impact of the bath temperature on CdTe thin films prepared by electrochemical technique

CdTe thin films were electrodeposited potentiostatically from an aqueous bath and studied the effect of bath temperatures on the as-grown samples. The samples were deposited at potential −0.7 V, obtained by cyclic voltammetry measurement for bath temperatures of 50 °C and 70 °C. The optical, structu...

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Bibliographic Details
Published in:Materials today : proceedings 2022, Vol.68, p.2683-2686
Main Authors: Ukarande, Aparna, Chaure, Shweta, Chaure, Nandu B.
Format: Article
Language:English
Subjects:
CdTe
Characterization
Electrodeposition
Photovoltaics applications
Thin-films solar cells
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Summary:CdTe thin films were electrodeposited potentiostatically from an aqueous bath and studied the effect of bath temperatures on the as-grown samples. The samples were deposited at potential −0.7 V, obtained by cyclic voltammetry measurement for bath temperatures of 50 °C and 70 °C. The optical, structural, compositional, and morphological properties were studied and correlated. The pure polycrystalline cubic phase of CdTe samples was obtained, however, the sample grown at 50 °C revealed a high degree of crystallinity with a large grain size of ∼500 nm and stoichiometric Cd: Te (50:50) ratio suitable to produce the CdS/CdTe solar cell devices. Further, the properties revealed in the as-grown sample may be suitable to produce the flexible (plastic) CdTe-based solar cell without any heat-treatment procedure.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2022.05.233