Silicone oxidation for a-Si: H passivation of wafers bonded to glass

  • Stefano Nicola Granata
  • , Twan Bearda
  • , Guy Beaucarne
  • , Yaser Abdulraheem
  • , Ivan Gordon
  • , Jef Poortmans
  • , Robert Mertens

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A possible scenario for wafer-based silicon photovoltaics is the processing of solar modules starting from thin silicon wafers bonded to glass. However, interactions between the adhesive used for bonding and the solar cell processing can affect the surface passivation of the bonded wafer and decrease cell performances. A method that suppresses these interactions and leads to state-of-the-art a-Si:H surface passivation is presented in this Letter. The method is based on an increase of the surface cross-linking of a silicone adhesive by means of an O2 plasma and it is successfully tested on three different silicones.

Original languageEnglish
Pages (from-to)395-398
Number of pages4
JournalPhysica Status Solidi - Rapid Research Letters
Volume8
Issue number5
DOIs
StatePublished - May 2014

Keywords

  • Amorphous silicon
  • Silicone
  • Solar cells
  • Solar modules
  • Surface passivation
  • Thin films

Funding Agency

  • Kuwait Foundation for the Advancement of Sciences

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