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Coatings 2014, 4(2), 282-307; doi:10.3390/coatings4020282

Review of the CdCl2 Treatment Used in CdS/CdTe Thin Film Solar Cell Development and New Evidence towards Improved Understanding

Electronic Materials and Sensors Group, Materials and Engineering Research Institute, Sheffield Hallam University, Sheffield S1 1WB, UK
Received: 18 February 2014 / Revised: 17 April 2014 / Accepted: 24 April 2014 / Published: 30 April 2014
(This article belongs to the Special Issue Novel Thin Film Materials for Photovoltaic Applications)
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Abstract

Cadmium chloride treatment is a key processing step identified in the late 1970s to drastically improve the solar to electric conversion efficiency of CdS/CdTe thin film solar cells. Although a large body of experimental results are available to date, this process is yet to be understood even after three decades of research. This paper reviews the experimental results available, presents some new clues leading to improved understanding and suggests key research areas necessary to fully understand this crucial processing step. Improved understanding will lead to further increase in conversion efficiency of CdS/CdTe solar cells well beyond 20%. View Full-Text
Keywords: CdS; CdTe; CdCl2 treatment; CdS/CdTe thin film solar cells CdS; CdTe; CdCl2 treatment; CdS/CdTe thin film solar cells
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Dharmadasa, I.M. Review of the CdCl2 Treatment Used in CdS/CdTe Thin Film Solar Cell Development and New Evidence towards Improved Understanding. Coatings 2014, 4, 282-307.

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