Nature Communications (Aug 2017)

Gap-state engineering of visible-light-active ferroelectrics for photovoltaic applications

  • Hiroki Matsuo,
  • Yuji Noguchi,
  • Masaru Miyayama

DOI
https://doi.org/10.1038/s41467-017-00245-9
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Overcoming the optical transparency of wide bandgap of ferroelectric oxides by narrowing its bandgap tends to result in a loss of polarization. By utilizing defect states within the bandgap, Matsuo et al. report visible-light-active ferroelectrics without sacrificing polarization.