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Quenching of bright and dark excitons via deep states in the presence of SRH recombination in 2D monolayer materials
Abstract
Two-dimensional (2D) monolayer materials are interesting systems due to an existence of optically non-active dark excitonic states. In this work, we formulate a theoretical model of an excitonic Auger process which can occur together with the trap-assisted recombination in such 2D structures. The interactions of intravalley excitons (bright and spin-dark ones) and intervalley excitons (momentum-dark ones) with deep states located in the energy midgap have been taken into account. The explanation of this process is important for the understanding of excitonic and photoelectrical processes which can coexist in 2D materials, like transition metal dichalcogenides and perovskites.
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- DOI:
- Digital Object Identifier (open in new tab) 10.1088/1361-648X/ac9d7e
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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JOURNAL OF PHYSICS-CONDENSED MATTER
no. 35,
ISSN: 0953-8984 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Szmytkowski J.: Quenching of bright and dark excitons via deep states in the presence of SRH recombination in 2D monolayer materials// JOURNAL OF PHYSICS-CONDENSED MATTER -Vol. 35,iss. 1 (2023), s.015601-
- DOI:
- Digital Object Identifier (open in new tab) 10.1088/1361-648x/ac9d7e
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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