Binary-Metal Perovskites Toward High-Performance Planar-Heterojunction Hybrid Solar Cells

Fan Zuo, Spencer T. Williams, Po-Wei Liang, Chu-Chen Chueh, Chien-Yi Liao, Alex K.-Y. Jen*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

324 Citations (Scopus)

Abstract

A simple, low temperature solution process for Pb/Sn binary-metal perovskite planar-heterojunction solar cells is demonstrated. Sn inclusion substantially influences the band-gap, crystallization kinetics, and thin-film formation leading to a broadened light absorption and enhanced film coverage on ITO/PEDOT:PSS. As a result, the optimized device shows a PCE exceeding 10%, which is the best result for binary-metal perovskite solar cells so far.
Original languageEnglish
Pages (from-to)6454-6460
JournalAdvanced Materials
Volume26
Issue number37
DOIs
Publication statusPublished - 1 Oct 2014
Externally publishedYes

Research Keywords

  • crystallization control
  • extended light absorption
  • perovskite solar cell
  • planar heterojunction
  • tin replacement of lead

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