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Coupled optical and electrical analysis for thin-film solar cells with embedded dielectric nanoparticles

Applied Physics Letters, ISSN: 0003-6951, Vol: 106, Issue: 2
2015
  • 11
    Citations
  • 0
    Usage
  • 10
    Captures
  • 0
    Mentions
  • 0
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Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    10

Article Description

Combined optical and electrical simulations were performed for thin-film (silicon) solar cell structures with dielectric (silicon-dioxide) nanoparticles embedded in the active region for efficiency enhancement. The efficiency enhancement due to optimally sized nanoparticles is found to be 22% and 15% in the constant coverage area and constant pitch configurations, respectively; further, the enhancement qualitatively follows the trends expected from optical-only simulations. This, however, assumes a good quality dielectric-semiconductor interface, whereas heavy recombination at this interface is seen to degrade the efficiency significantly - setting an upper limit on the surface recombination velocity up to which embedding nanoparticles is beneficial.

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