Back-contacted BaSi2 solar cells: An optical study

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Abstract

We present the optical investigation of a novel back-contacted architecture for solar cells based on a thin barium (di)silicide (BaSi2) absorber. First, through the analysis of absorption limits of different semiconducting materials, we show the potential of BaSi2 for photovoltaic applications. Then, the proposed back contacted BaSi2 solar cell design is investigated and optimized. An implied photocurrent density of 40.3 mA/cm2 in a 1-μm thick absorber was achieved, paving the way for novel BaSi2-based thin-film solar cells.

Original languageEnglish
Pages (from-to)A402-A408
Number of pages7
JournalOptics Express
Volume25
Issue number8
DOIs
Publication statusPublished - 2017

Keywords

  • Photovoltaic
  • Diffraction gratings
  • Bragg reflectors
  • Solar energy

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