Light trapping in thin silicon solar cells: A review on fundamentals and technologies

Rebecca Saive*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

64 Citations (Scopus)
121 Downloads (Pure)


Thin, flexible, and efficient silicon solar cells would revolutionize the photovoltaic market and open up new opportunities for PV integration. However, as an indirect semiconductor, silicon exhibits weak absorption for infrared photons and the efficient absorption of the full above bandgap solar spectrum requires careful photon management. This review paper provides an overview on the fundamental physics of light trapping and explains known theoretical limits. Technologies that have been developed to improve light trapping will be discussed, and limitations will be addressed.

Original languageEnglish
Pages (from-to)1125-1137
Number of pages13
JournalProgress in Photovoltaics: Research and Applications
Issue number10
Early online date7 Jun 2021
Publication statusPublished - Oct 2021


  • UT-Hybrid-D
  • light management
  • light trapping
  • photonics
  • physics
  • silicon photovoltaics
  • solar cells
  • solar energy
  • absorption


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