Nature Communications (Sep 2017)

Ultrathin high band gap solar cells with improved efficiencies from the world’s oldest photovoltaic material

  • Teodor K. Todorov,
  • Saurabh Singh,
  • Douglas M. Bishop,
  • Oki Gunawan,
  • Yun Seog Lee,
  • Talia S. Gershon,
  • Kevin W. Brew,
  • Priscilla D. Antunez,
  • Richard Haight

DOI
https://doi.org/10.1038/s41467-017-00582-9
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Wide band gap semiconductors are important for the development of tandem photovoltaics. By introducing buffer layers at the front and rear side of solar cells based on selenium; Todorov et al., reduce interface recombination losses to achieve photoconversion efficiencies of 6.5%.