Ultra-narrow room-temperature emission from single CsPbBr3 perovskite quantum dots

Gabriele Rainò; Nuri Yazdani; Simon C. Boehme; Manuel Kober-Czerny; Chenglian Zhu; Franziska Krieg; Marta D. Rossell; Rolf Erni; Vanessa Wood; Ivan Infante; Maksym V. Kovalenko

doi:10.1038/s41467-022-30016-0

Nature Communications (May 2022)

Ultra-narrow room-temperature emission from single CsPbBr3 perovskite quantum dots

Gabriele Rainò,
Nuri Yazdani,
Simon C. Boehme,
Manuel Kober-Czerny,
Chenglian Zhu,
Franziska Krieg,
Marta D. Rossell,
Rolf Erni,
Vanessa Wood,
Ivan Infante,
Maksym V. Kovalenko

Affiliations

Gabriele Rainò: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich
Nuri Yazdani: Department of Information Technology and Electrical Engineering, ETH Zurich
Simon C. Boehme: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich
Manuel Kober-Czerny: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich
Chenglian Zhu: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich
Franziska Krieg: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich
Marta D. Rossell: Electron Microscopy Center, Empa–Swiss Federal Laboratories for Materials Science and Technology
Rolf Erni: Electron Microscopy Center, Empa–Swiss Federal Laboratories for Materials Science and Technology
Vanessa Wood: Department of Information Technology and Electrical Engineering, ETH Zurich
Ivan Infante: Department of Theoretical Chemistry, Faculty of Science, Vrije Universiteit Amsterdam
Maksym V. Kovalenko: Department of Chemistry and Applied Biosciences, Institute of Inorganic Chemistry, ETH Zurich

DOI: https://doi.org/10.1038/s41467-022-30016-0
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

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Narrow emission is desired for light-emitting devices. Here, Kovalenko et al. demonstrate that the emission line-broadening in perovskite quantum dots is dominated by the coupling between excitons and surface phonon modes which can be controlled by minimal surface modifications.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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