Efficient carrier multiplication in CsPbI3 perovskite nanocrystals

Chris de Weerd; Leyre Gomez; Antonio Capretti; Delphine M. Lebrun; Eiichi Matsubara; Junhao Lin; Masaaki Ashida; Frank C. M. Spoor; Laurens D. A. Siebbeles; Arjan J. Houtepen; Kazutomo Suenaga; Yasufumi Fujiwara; Tom Gregorkiewicz

doi:10.1038/s41467-018-06721-0

Nature Communications (Oct 2018)

Efficient carrier multiplication in CsPbI3 perovskite nanocrystals

Chris de Weerd,
Leyre Gomez,
Antonio Capretti,
Delphine M. Lebrun,
Eiichi Matsubara,
Junhao Lin,
Masaaki Ashida,
Frank C. M. Spoor,
Laurens D. A. Siebbeles,
Arjan J. Houtepen,
Kazutomo Suenaga,
Yasufumi Fujiwara,
Tom Gregorkiewicz

Affiliations

Chris de Weerd: Institute of Physics, University of Amsterdam
Leyre Gomez: Institute of Physics, University of Amsterdam
Antonio Capretti: Institute of Physics, University of Amsterdam
Delphine M. Lebrun: Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka
Eiichi Matsubara: Department of Physics, Osaka Dental University, 8-1 Kuzuha-Hanazono
Junhao Lin: Department of Physics, Southern University of Science and Technology
Masaaki Ashida: Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama
Frank C. M. Spoor: Faculty of Applied Sciences, Delft University of Technology building 58, van der Maasweg 9
Laurens D. A. Siebbeles: Faculty of Applied Sciences, Delft University of Technology building 58, van der Maasweg 9
Arjan J. Houtepen: Faculty of Applied Sciences, Delft University of Technology building 58, van der Maasweg 9
Kazutomo Suenaga: National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 5
Yasufumi Fujiwara: Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka
Tom Gregorkiewicz: Institute of Physics, University of Amsterdam

DOI: https://doi.org/10.1038/s41467-018-06721-0
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 9

Abstract

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In semiconductor nanocrystals, efficient carrier multiplication counteracts hot carrier thermalization, increasing the overall carrier generation yield. Here, de Weerd et al. observe a quantum yield of up to 98% in CsPbI3 nanocrystals as a result of efficient carrier multiplication.

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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