Study of Fermi level movement during CdCl2 treatment of CdTe thin films using Ultra-violet Photoemission Spectroscopy

DHARMADASA, I, ECHENDU, O. K., FAUZI, F., SALIM, H. I., ABDUL-MANAF, N. A., JASINSKI, J. B., SHEREHIY, A. and SUMANASEKERA, G. (2016). Study of Fermi level movement during CdCl2 treatment of CdTe thin films using Ultra-violet Photoemission Spectroscopy. Journal of Materials Science: Materials in Electronics, 27 (5), 5039-5046.

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Link to published version:: https://doi.org/10.1007/s10854-016-4391-y
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    Abstract

    The CdCl2 treatment used in the development of high efficiency CdTe solar cells is an essential processing step but remains fully unexplored. What really happens during this treatment is not yet fully understood. The changes in doping concentrations during this processing step are a key parameter to investigate. Determination of the position of the Fermi level is a good method to explore these changes and therefore photoelectrochemical cell method and ultra-violet photoemission spectroscopy method have been used to investigate these trends. Four different CdTe layers prepared by electroplating have been used for this investigation. The overall observations indicate the settling down of the FL in the upper half of the bandgap after CdCl2 treatment.

    Item Type: Article
    Additional Information: Added before online first.
    Identification Number: https://doi.org/10.1007/s10854-016-4391-y
    Page Range: 5039-5046
    Depositing User: Helen Garner
    Date Deposited: 21 Jan 2016 10:02
    Last Modified: 30 Jun 2020 15:42
    URI: http://shura.shu.ac.uk/id/eprint/11494

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