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Process development of sublimated Cu-free CdTe solar cells

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conference contribution
posted on 24.10.2017 by Christos Potamialis, Fabiana Lisco, Bianca Maniscalco, Mustafa Togay, Jake Bowers, Michael Walls
CdCl2 treatment by evaporation has been optimised for CdTe solar devices without a copper annealing process. In this work, we show that the performance of CdTe devices follow a curvilinear trend by increasing the amount of chlorine used for the passivation treatment. It has been observed that the maximum of the curve represented the best performing devices. However, excessive CdCl2 caused deleterious effect on electrical performances of the cells. The PL imaging analysis has been found to be a useful technique to assess the effectiveness of the activation treatment due to the presence of chlorine in CdS thin films. Electrical characterisation has been performed on each device and PL imaging analysis has been used to validate the performances of the CdTe solar cells. Results showed that the optimum performance corresponded to the highest PL image emission signal.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

PHOTOVOLTAIC SCIENCE APPLICATIONS AND TECHNOLOGY (PVSAT-13)

Volume

C99

Citation

POTAMIALIS, C. ...et al., 2017. Process development of sublimated Cu-free CdTe solar cells. IN: Hutchins, M., Treharne, R. and Cole, A. (eds.) 13th. Photovoltaic Science, Application and Technology Conference, Conference Proceedings C99 (PVSAT-13), Bangor, UK, 5th-7th April, pp. 153-156.

Publisher

© The Solar Energy Society

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

05/04/2017

Publication date

2017

Notes

This is a conference paper.

ISBN

0904963837

Publisher version

Language

en

Location

Bangor University, Bangor, UK

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