Complex epsilon-near-zero materials enhances light absorption in ultra-thin solar cells

Marcella Bonifazi, Valerio Mazzone, Andrea Fratalocchi*

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

We engineered an epsilon-near-zero (ENZ) material from suitably disordered metallic nanostructures. We experimentally demonstrate that this nanomaterial increases up to a record value the absorption of ultra-thin light harvesting films at visible and infrared wavelengths with a broadband enhancement of 170% in the external quantum efficiency (EQE). In addition, we developed a cost-effective fabrication process that make these materials suitable to large scale production.

Original languageEnglish (US)
Pages862-863
Number of pages2
StatePublished - 2019
Event10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2019 - Lisbon, Portugal
Duration: Jul 23 2019Jul 26 2019

Conference

Conference10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2019
Country/TerritoryPortugal
CityLisbon
Period07/23/1907/26/19

Bibliographical note

Publisher Copyright:
© 2019, META Conference. All rights reserved.

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Materials Science (miscellaneous)
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

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