Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%

Kai Zhu, Dewei Zhao, Changlei Wang, Zhaoning Song, Yue Yu, Cong Chen, Xingzhong Zhao, Yanfa Yan

Research output: Contribution to journalArticlepeer-review

222 Scopus Citations

Abstract

We report on fabrication of 4-terminal all-perovskite tandem solar cells with power conversion efficiencies exceeding 23% by mechanically stacking semitransparent 1.75 eV wide-bandgap FA0.8Cs0.2Pb(I0.7Br0.3)3 perovskite top cells with 1.25 eV low-bandgap (FASnI3)0.6(MAPbI3)0.4 bottom cells. The top cells use MoOx/ITO transparent electrodes and achieve transmittance up to 70% beyond 700 nm.

Original languageAmerican English
Pages (from-to)305-306
Number of pages2
JournalACS Energy Letters
Volume3
Issue number2
DOIs
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 American Chemical Society.

NREL Publication Number

  • NREL/JA-5900-71081

Keywords

  • efficiencies
  • perovskite tandem solar cells
  • power coversion

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