Relationship between interstitial oxygen,substitutional carbon, resistivity and minority carrier lifetime in metallurgical multicrystalline silicon

Authors

  • Virginie Mong-The Yen Author
  • Olivier Palais Author
  • Marcel Pasquinelli Author
  • Damien Barakel Author
  • Isabelle Périchaud Author

DOI:

https://doi.org/10.24084/repqj09.469

Abstract

. In this study we try to indentify relation between carrier lifetime, resistivity and two mains impurities concentration in a p-type upgrade metallurgical multicrystalline (UMG) silicon ingot. Thanks to this relation, we could prevent the Light Induced Degradation (LID) phenomenon and the SiC particles formation which are, respectively, at the origin of Voc losses and shunts in solar cells. So these 2 parameters are important for photovoltaic panels’ efficiency. Lifetime measurements are achieved by means of the Microwave Photoconductivity Decay “μw-PCD” technique, and concentration measurements are determined by FTIR. We demonstrate that resistivity variations depend on oxygen’s concentration but carbon analyses must be continued.

Author Biographies

  • Virginie Mong-The Yen

    Aix-Marseille University, IM2NP, Faculté des Sciences et Techniques, Campus de Saint-Jérôme, Avenue Escadrille Normandie Niemen - Case 142, F-13397

    Marseille Cedex, France

    Phone/Fax number:+0033 491 288 081/+0033 491 288 352, e-mail: virginie.mongtheyen@im2np.fr

  • Olivier Palais

    Aix-Marseille University, IM2NPCNRS, IM2NP (UMR 6242)

    Faculté des Sciences et Techniques, Campus de Saint-Jérôme, Avenue Escadrille Normandie Niemen - Case 142, F-13397

    Marseille Cedex, France

    Phone/Fax number:+0033 491 288 081/+0033 491 288 352

  • Marcel Pasquinelli

    Aix-Marseille University, IM2NP

    2 CNRS, IM2NP (UMR 6242)

    Faculté des Sciences et Techniques, Campus de Saint-Jérôme, Avenue Escadrille Normandie Niemen - Case 142, F-13397

    Marseille Cedex, France

    Phone/Fax number:+0033 491 288 081/+0033 491 288 352

  • Damien Barakel

    Aix-Marseille University, IM2NP

    CNRS, IM2NP (UMR 6242)

    Faculté des Sciences et Techniques, Campus de Saint-Jérôme, Avenue Escadrille Normandie Niemen - Case 142, F-13397

    Marseille Cedex, France

    Phone/Fax number:+0033 491 288 081/+0033 491 288 352

  • Isabelle Périchaud

    Aix-Marseille University, IM2NP

    CNRS, IM2NP (UMR 6242)

    Faculté des Sciences et Techniques, Campus de Saint-Jérôme, Avenue Escadrille Normandie Niemen - Case 142, F-13397

    Marseille Cedex, France

    Phone/Fax number:+0033 491 288 081/+0033 491 288 352,

Published

2024-01-17

Issue

Section

Articles