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The Influence of CuCl Treatment on the PL Spectra of CdTe Thin Film, Component of CdS/CdTe Heterojunctions

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Abstract

Technology variations involving Cu and Cl impurities are among the major performance influencing factors for CdS/CdTe thin film solar cells. CuCl and CdCl2 influence on the energetic diagram of impurity levels with respect to variation of deposition parameters has been investigated. A comparative analysis has been carried out by using low temperature photoluminescence (PL) studies (17-98K) of CdTe thin films in the device configuration (from CdS/CdTe inteface and CdTe sides). To study the effect of CuCl influence, as-deposited, annealed heterojunctions, with CuCl treatment of CdS have been investigated.

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Authors and Affiliations

  1. Faculty of Physics, Moldova State University, 60 A. Mateevici str., Chisinau, MD, 2009, Republic of Moldova

    Sergiu A. Vatavu & Petru A. Gasin

  2. Electrical Engineering Department, University of South Florida, 4202 East Fowler Ave., Tampa, FL, 33620, USA

    Hehong Zhao, Don L. Morel & Chris S. Ferekides

  3. Engineering Department, University of Bacau, 157 Calea Marasesti, Bacau, 600115, Romania

    Iuliana M. Caraman

Authors
  1. Sergiu A. Vatavu
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  2. Hehong Zhao
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  3. Iuliana M. Caraman
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  4. Petru A. Gasin
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  5. Don L. Morel
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  6. Chris S. Ferekides
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Vatavu, S.A., Zhao, H., Caraman, I.M. et al. The Influence of CuCl Treatment on the PL Spectra of CdTe Thin Film, Component of CdS/CdTe Heterojunctions. MRS Online Proceedings Library 1165, 816 (2009). https://doi.org/10.1557/PROC-1165-M08-16

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  • DOI: https://doi.org/10.1557/PROC-1165-M08-16

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