The effect of external electric field on the performance of perovskite solar cells

Xiaodong Li, Xueyan Wang, Wenjun Zhang, Yulei Wu, Feng Gao, Junfeng Fang

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Planar heterojunction perovskite solar cells were fabricated through a low temperature approach. We find that the device performance significantly depends on the external bias before and during measurements. By appropriate optimization of the bias conditions, we could achieve an 8-fold increase in the power conversion efficiency. The significant improvement in device performance might be caused by the ion motion in the perovskite under the external electric field.

Original languageEnglish
Pages (from-to)107-112
Number of pages6
JournalOrganic Electronics
Volume18
DOIs
StatePublished - Mar 2015
Externally publishedYes

Keywords

  • Electric double layers
  • External bias
  • Ion motion
  • Perovskite solar cells

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