Perovskite semiconductors for room-temperature exciton-polaritonics

Lead-halide perovskites are generally excellent light emitters and can have larger exciton binding energies than thermal energy at room temperature, exhibiting great promise for room-temperature exciton-polaritonics. Rapid progress has been made recently, although challenges and mysteries remain in...

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Bibliographic Details
Published in:Nature materials 2021-10, Vol.20 (10), p.1315-1324
Main Authors: Su, Rui, Fieramosca, Antonio, Zhang, Qing, Nguyen, Hai Son, Deleporte, Emmanuelle, Chen, Zhanghai, Sanvitto, Daniele, Liew, Timothy C. H., Xiong, Qihua
Format: Article
Language:English
Subjects:
140/125
639/301/1019/1020
639/624/400/2797
639/766/1130/2799
Biomaterials
Chemistry and Materials Science
Condensed Matter Physics
Emitters
Excitons
Lattices
Lead compounds
Materials Science
Metal halides
Microcavities
Nanotechnology
Optical and Electronic Materials
Perovskites
Perspective
Physics
Playgrounds
Polaritons
Room temperature
Semiconductors
Thermal energy
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Summary:Lead-halide perovskites are generally excellent light emitters and can have larger exciton binding energies than thermal energy at room temperature, exhibiting great promise for room-temperature exciton-polaritonics. Rapid progress has been made recently, although challenges and mysteries remain in lead-halide perovskite semiconductors to push polaritons to room-temperature operation. In this Perspective, we discuss fundamental aspects of perovskite semiconductors for exciton-polaritons and review the recent rapid experimental advances using lead-halide perovskites for room-temperature polaritonics, including the experimental realization of strong light–matter interaction using various types of microcavities as well as reaching the polariton condensation regime in planar microcavities and lattices. An outlook on the potential of lead-halide perovskites as a playground for exciton-polariton studies and for the development of polaritonic devices operating at room temperature is provided.
ISSN:1476-1122
1476-4660
DOI:10.1038/s41563-021-01035-x