Energy gap-refractive index relations in perovskites

Aneer Lamichhane, Nuggehalli M. Ravindra

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


In this study, the energy gap-refractive index relations of perovskites are examined in detail. In general, the properties of perovskites are dependent on the structural reorganization and covalent nature of their octahedral cages. Based on this notion, a simple relation governing the energy gap and the refractive index is proposed for perovskites. The results obtained with this relation are in good accord with the literature values and are consistent with some well-established relations.

Original languageEnglish (US)
Article number1917
Issue number8
StatePublished - Apr 1 2020

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics


  • Energy gap
  • Perovskites
  • Refractive index


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