Differing vibrational properties of halide and chalcogenide perovskite semiconductors and impact on optoelectronic performance
There is motivation to develop materials with photovoltaic performance comparable to halide perovskites but without the drawbacks of instability and toxicity. Chalcogenide perovskites are interesting because they have a tunable direct band gap and are very stable, but their optoelectronic properties are not yet well understood. This study of Raman and photoluminescence spectroscopy of BaZrS${}_{3}$ and CsPbBr${}_{3}$ single-crystal samples reveals differences in their vibrational properties and explores how these differences affect nonradiative recombination rates. The results suggest that the usefulness of chalcogenide perovskites for photovoltaics will hinge on continued progress in defect control.
Authors
- Omer Yaffe (ORCID: https://orcid.org/0000-0003-4114-7968)
- Tommaso Salzillo (ORCID: https://orcid.org/0000-0002-9737-2809)
- Florian Knoop (ORCID: https://orcid.org/0000-0002-7132-039X)
- Matan Menahem (ORCID: https://orcid.org/0000-0003-3888-2240)
- Jayakanth Ravichandran (ORCID: https://orcid.org/0000-0001-5030-9143)
- Shanyuan Niu (ORCID: https://orcid.org/0000-0002-0559-3461)
- Olle Hellman (ORCID: https://orcid.org/0000-0002-3453-2975)
- Kevin Ye (ORCID: https://orcid.org/0000-0003-0998-6868)
- Boyang Zhao (ORCID: https://orcid.org/0000-0001-5562-2630)
- R. Angulo Jaramillo (ORCID: https://orcid.org/0000-0003-3116-6719)
Institutions
- Linköping University (SE)
- University of Southern California (US)
- California Southern University (US)
- National Interuniversity Consortium of Materials Science and Technology (IT)
- Weizmann Institute of Science (IL)
- Massachusetts Institute of Technology (US)
Publication Details
- Journal
- Physical Review Materials
- Published
- 2024-08-20
- DOI
- https://doi.org/10.1103/physrevmaterials.8.085402
- Citations
- 11
- Primary Topic
- Perovskite Materials and Applications
- Type
- article
- Field-Weighted Citation Impact
- 2.30
Funders
- National Science Foundation
- Swedish e-Science Research Centre
- United States-Israel Binational Science Foundation
- National Science Council
- Vetenskapsrådet
- Skolkovo Institute of Science and Technology
- Multidisciplinary University Research Initiative
- Office of Naval Research
- Division of Materials Research
- Army Research Office