Necessity and relevance of precipitate free clear electrolytes for electrodeposition of CdS semiconductor materials with enhanced photovoltaic properties

ATAPATTU, H. Y. R., DE SILVA, D. S. M., PATHIRATNE, K. A. S., OLUSOLA, O. I. and DHARMADASA, I (2017). Necessity and relevance of precipitate free clear electrolytes for electrodeposition of CdS semiconductor materials with enhanced photovoltaic properties. Journal of Materials Science: Materials in Electronics, 28 (24), 18592-18602.

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Official URL: https://link.springer.com/article/10.1007%2Fs10854...
Link to published version:: https://doi.org/10.1007/s10854-017-7808-3

Abstract

Cadmium sulfide (CdS) is a well-known window material used for fabrication of second generation thin film solar cells including CdS/CdTe and CdS/CuInGaSe2. Among the CdS fabrication techniques, electrodeposition is a simple, cost effective and scalable method that has been stepped towards large scale commercialization. However, the presence of precipitates in baths used for electrodeposition of CdS has been found to be a persistent problem which had produced CdS thin films with poor photovoltaic properties. Hence, an investigation was carried out to identify a set of optimum physiochemical conditions that can produce clear stable electrolyte for electrodeposition of CdS thin film semiconductors using CdCl2 and Na2S2O3 precursor salts. The study revealed that, electrolytes containing 0.10 mol/L CdCl2 and 0.01 mol/L Na2S2O3, within the pH range of 1.50–2.00 and the temperature range of 55–65 °C can provide clear and stable electrolytes for electrodeposition of CdS thin films. Further, the results showed that, the electrical, optical, morphological and structural properties of CdS layers electrodeposited from electrolytes within above physiochemical conditions were remarkably better to those electrodeposited from the turbid electrolytic baths formed beyond the ranges of predetermined optimum physiochemical conditions.

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/10.1007/s10854-017-7808-3
Page Range: 18592-18602
Depositing User: Margaret Boot
Date Deposited: 11 Oct 2017 15:08
Last Modified: 18 Mar 2021 01:09
URI: https://shura.shu.ac.uk/id/eprint/16963

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