Electrodeposition using non-aqueous solutions at 170 degrees C and characterisation of US, CdSxSe(1-x) and CdSe compounds for use in graded band gap solar cells

PREMARATNE, K., AKURANTHILAKA, S. N., DHARMADASA, I and SAMANTILLEKA, A. P. (2004). Electrodeposition using non-aqueous solutions at 170 degrees C and characterisation of US, CdSxSe(1-x) and CdSe compounds for use in graded band gap solar cells. Renewable Energy, 29 (4), 549-557.

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Link to published version:: https://doi.org/10.1016/j.renene.2003.08.002

Abstract

CdS, CdSxSe(1-x) and CdSe compounds have been grown at 170 degreesC using electrodeposition from an electrolyte containing ethylene glycol as the solvent. The materials were grown for x = 0, 0.22, 0.50, 0.76 and 1.00, and the x values quoted here are obtained from the XRF measurements. The resulting materials were characterized by optical absorption method for determination of band gap variation, and by XRD for bulk structure variation. It has been demonstrated that the band gap could be varied from 1.7 eV for x = 0 (CdSe) to 2.4 eV for x = I (CdS) by varying the parameter x. Bulk structure remains as hexagonal, but the corresponding lattice spacing gradually increases as the smaller S-2 ions are replaced by larger Se-2 ions. The photoresponse shown in photoelectrochemical cell demonstrates that all compounds grown are suitable for solar cell applications. (C) 2003 Elsevier Ltd. All rights reserved.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number: https://doi.org/10.1016/j.renene.2003.08.002
Page Range: 549-557
Depositing User: Ann Betterton
Date Deposited: 08 Mar 2010 16:14
Last Modified: 18 Mar 2021 09:30
URI: https://shura.shu.ac.uk/id/eprint/1279

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