Antimony (V) Complex Halides: Lead-Free Perovskite-Like Materials for Hybrid Solar Cells

Sergey A. Adonin, Lyubov A. Frolova, Maxim N. Sokolov, Gennady V. Shilov, Denis V. Korchagin, Vladimir P. Fedin, Sergey M. Aldoshin, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

Using bromoantimonate (V) (N-EtPy)[SbBr6] as an example, it is demonstrated that ABX6 compounds can form perovskite-like 3D crystalline frameworks with short interhalide contacts, enabling advanced optoelectronic characteristics of these materials. The designed compound shows an impressive performance in planar junction solar cells delivering external quantum efficiency of ≈80% and power conversion efficiency of ≈4%, thus being comparable with the conventional perovskite material MAPbBr3. The discovery of the first perovskite-like compound ABX6 exhibiting good photovoltaic performance opens wide opportunities for rational design of novel perovskite-like semiconductor materials for advanced electronic and photovoltaic applications.

Original languageEnglish
Article number1701140
Number of pages6
JournalAdvanced Energy Materials
Volume8
Issue number6
DOIs
Publication statusPublished - 26 Feb 2018

Keywords

  • antimony
  • halometalates
  • hybrid solar cells
  • photovoltaics
  • ABSORBER
  • CRYSTAL-STRUCTURE
  • STABILITY
  • IODIDE
  • CATION

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