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Title: Optimisation of cadmium chloride solution processing of close space sublimated thin film CdTe solar cells
Authors: Schuler, G.P.
Maniscalco, Bianca
Bowers, Jake W.
Claudio, Gianfranco
Walls, Michael
Keywords: Cadmium telluride
Cadmium chloride
Solar cells
Photovoltaics
Issue Date: 2013
Publisher: © Solar Energy Society
Citation: SCHULER, G.P. ... (et al.), 2013. Optimisation of cadmium chloride solution processing of close space sublimated thin film CdTe solar cells. In: Hutchins, M., Cole, A. and Watson, T. (eds.). Proceedings of 2013 9th Photovoltaic Science, Applications and Technology Conference (PVSAT-9), Swansea, Great Britain, 10-12 April, pp. 175-178.
Abstract: In this paper, we describe the optimisation process for the Cadmium Chloride (CdCl2) wet chemical treatment of cadmium telluride (CdTe) photovoltaics (PV). Various experiments were performed on Close Spaced Sublimated (CSS) CdTe cells, including optimisation of the cadmium chloride deposition process and optimisation of the annealing process. The treatment consisted of dipping the sample for various time periods in a methanol solution containing CdCl2 using different concentrations and different temperatures. The samples were subsequently annealed in an oven at different temperatures and times. The optimum conditions were found to be: dipping for 15 minutes in a solution of 1%wt CdCl2 in methanol heated to 50°C and annealing for 15 min at 370°C in a pre-heated furnace.
Sponsor: The authors are grateful to TSB and EPSRC for financial support. They are also grateful to Dr K.L. Barth and Prof W.S. Sampath of Colorado State University for providing CSS thin film CdTe devices.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/15766
Publisher Link: http://www.pvsat.org.uk/PVSAT-9_Proceedings-FINAL.pdf
ISBN: 0904963799
Appears in Collections:Conference Papers and Contributions (Mechanical, Electrical and Manufacturing Engineering)

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