Nature Communications (Dec 2016)

Evidence for ion migration in hybrid perovskite solar cells with minimal hysteresis

  • Philip Calado,
  • Andrew M. Telford,
  • Daniel Bryant,
  • Xiaoe Li,
  • Jenny Nelson,
  • Brian C. O’Regan,
  • Piers R.F. Barnes

DOI
https://doi.org/10.1038/ncomms13831
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 10

Abstract

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Ion migration has been related to hysteresis in perovskite solar cells, but not all perovskite cells exhibit a hysteresis. Here, Caladoet al. show that ion migration occurs regardless of hysteresis, but photogenerated carriers screen the effects of ionic charge for some solar cell architectures.