Auger effect in weakly confined nanocrystals

Jiawen Liu; Laurent Coolen

doi:10.1038/s41377-023-01227-x

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Auger effect in weakly confined nanocrystals

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- Auger effect in weakly confined nanocrystals
- Light: Science & Applications Vol. 12, Issue 8, Pages: 1454-1456(2023)
- Affiliations：
  
  1.Laboratoire de Physique de l’Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, F-75005 Paris, France
  2.Sorbonne Université, CNRS, Institut de NanoSciences de Paris, INSP, F-75005 Paris, France
- Author bio：
  
  Laurent Coolen (laurent.coolen@sorbonne-universite.fr)
- Funds：
- DOI：10.1038/s41377-023-01227-x
  CLC：
- Published：31 August 2023，
  
  Published Online：24 July 2023，
- Accepted：
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Liu, J. W. & Coolen, L. Auger effect in weakly confined nanocrystals. Light: Science & Applications, 12, 1454-1456 (2023).
DOI：

Liu, J. W. & Coolen, L. Auger effect in weakly confined nanocrystals. Light: Science & Applications, 12, 1454-1456 (2023). DOI： 10.1038/s41377-023-01227-x.

摘要

Abstract

An extensive analysis of biexciton luminescence in high-quality

large perovskite CsPbBr

nanocrystals shows how the biexciton Auger decay rate deviates from the “universal” volume scaling as the exciton confinement becomes weaker.

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Keywords

references

Huang, P. et al. Nonlocal interaction enhanced biexciton emission in large CsPbBr3nanocrystals.eLight3, 10 (2023)..

Robel, I. et al. Universal size-dependent trend in auger recombination in direct-gap and indirect-gap semiconductor nanocrystals.Phys. Rev. Lett.102, 177404 (2009)..

Padilha, L. A. et al. Carrier multiplication in semiconductor nanocrystals: influence of size, shape, and composition.Acc. Chem. Res.46, 1261–1269 (2013)..

Li, Q. Y.&Lian, T. Q. Area- and thickness-dependent biexciton auger recombination in colloidal CdSenanoplatelets: breaking the “universal volume scaling law”.Nano Lett.17, 3152–3158 (2017)..

Li, Q. Y. et al. Size- and morphology-dependent auger recombination in CsPbBr3perovskite two-dimensional nanoplatelets and one-dimensional nanorods.Nano Lett.19, 5620–5627 (2019)..

Protesescu, L. et al. Nanocrystals of cesium lead halide perovskites (CsPbX3, X = Cl, Br, and I): novel optoelectronic materials showing bright emission with wide color gamut.Nano Lett.15, 3692–3696 (2015)..

Philbin, J. P. et al. Area and thickness dependence of Auger recombination in nanoplatelets.J. Chem. Phys.153, 054104 (2020)..

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