Optimization of moth-eye antireflection schemes for silicon solar cells

Stuart A. Boden, Darren M. Bagnall

Research output: Contribution to journalArticlepeer-review

114 Citations (Scopus)


Nanostructured moth-eye antireflection schemes for silicon solar cells are simulated using rigorous coupled wave analysis and compared to traditional thin film coatings. The design of the moth-eye arrays is optimized for application to a laboratory cell (air-silicon interface) and an encapsulated cell (EVA-silicon interface), and the optimization accounts for the solar spectrum, incident on the silicon interface in both cells, and the spectral response of both types of cell. The optimized moth-eye designs are predicted to outperform an optimized double layer thin film coating by approximately 2% for the laboratory cell and approximately 3% for the encapsulated cell. The predicted performance of the silicon moth-eye under encapsulation is particularly remarkable as it exhibits losses of only 0-6% compared to an ideal AR surface.

Original languageEnglish
Pages (from-to)195-203
Number of pages9
JournalProgress in Photovoltaics: Research and Applications
Issue number3
Publication statusPublished - May 2010
Externally publishedYes


  • antireflection
  • moth-eye
  • silicon
  • submicron
  • subwavelength
  • surface texturing

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