Simulation and analysis of prismatic bioinspired compound lenses for solar cells: II. Multifrequency analysis

Francesco Chiadini, Vincenzo Fiumara, Antonio Scaglione, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Multifrequency numerical simulations of the light-coupling efficiency of a prismatic bioinspired compound lens (BCL) of silicon atop a thick silicon substrate were carried out within the framework of geometrical optics. Comparison was made with untextured and groove-textured silicon substrates as well as with untextured silicon substrates with a double-layer anti-reflection (DLAR) coating. Taking into account the broadband nature and the sea-level spectral irradiance of the insolation flux, and averaging over all admissible directions and both linear polarization states of the incident light, we found that the light-coupling efficiency can be almost doubled with respect to the untextured silicon substrate and enhanced by about a third with respect to a DLAR-coated untextured silicon substrate, by adopting a DLAR-coated silicon BCL.

Original languageEnglish (US)
Article number014002
JournalBioinspiration and Biomimetics
Volume6
Issue number1
DOIs
StatePublished - Mar 1 2011

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biophysics
  • Biochemistry
  • Molecular Medicine
  • Engineering (miscellaneous)

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