Role of hydrogen plasma on electrical and optical properties of ZGO, ITO and IZO transparent and conductive coatings

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Abstract

In this paper we study the electro-optical behaviour and the structure of different TCOs, namely the ZGO, ITO and IZO films before and after being submitted to different hydrogen plasma power densities, for times up to 60 s, aiming their use in a/nc-Si:H solar cells. The results achieved show that ZGO films do not reduce for all plasma conditions used and so, the solar cells produced evidence high current density, about 17% larger that the one recorded in the other TCOs. Besides that, by combining the electrical and optical characteristics of the films through a figure of merit, the data reveal that for the ITO and IZO films even when exposed to very low hydrogen power plasma, the figure of merit is reduced up to 50%.
Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalThin Solid Films
Volume511-512
Issue numberNA
DOIs
Publication statusPublished - 26 Jul 2006

Keywords

  • TCO
  • Hydrogen plasma
  • Solar cells

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