Eu3+ doped silica film as luminescent down-shifting layer for crystalline Si solar cells

Zujun Cheng, Likun Pan, Fenfang Su, Meiling Cao, Zhuo Sun

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Eu3+ doped silica films have been prepared by solgel method and employed as luminescent down-shifting layer on the front side of a crystalline Si solar cell to improve their conversion efficiency. Measurements under standard test conditions (AM1.5, 100 mW/cm2) show the conversion efficiency of Si solar cell with silica film containing Eu3+ is improved 9.5% maximally as compared to the Si solar cell with pure silica film. However, high Eu3+ concentration is not encouraged because concentration quenching effect will decrease the efficiency of the solar cell.

Original languageEnglish
Pages (from-to)669-673
Number of pages5
JournalSurface Review and Letters
Volume16
Issue number5
DOIs
StatePublished - Oct 2009

Keywords

  • Conversion efficiency
  • Eu
  • Solar cell
  • Solgel method

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