Design of nanostructured solar cells using coupled optical and electrical modeling

Michael G. Deceglie, Vivian E. Ferry, A. Paul Alivisatos, Harry A. Atwater

Research output: Contribution to journalArticlepeer-review

190 Scopus citations

Abstract

Nanostructured light trapping has emerged as a promising route toward improved efficiency in solar cells. We use coupled optical and electrical modeling to guide optimization of such nanostructures. We study thin-film n-i-p a-Si:H devices and demonstrate that nanostructures can be tailored to minimize absorption in the doped a-Si:H, improving carrier collection efficiency. This suggests a method for device optimization in which optical design not only maximizes absorption, but also ensures resulting carriers are efficiently collected.

Original languageEnglish (US)
Pages (from-to)2894-2900
Number of pages7
JournalNano letters
Volume12
Issue number6
DOIs
StatePublished - Jun 13 2012

Keywords

  • Thin film solar cells
  • device physics
  • light trapping
  • nanophotonic
  • photovoltaics
  • plasmon
  • silicon
  • simulation

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