Continuous wave amplified spontaneous emission in phase-stable lead halide perovskites.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
28 02 2019
28 02 2019
Historique:
received:
31
10
2018
accepted:
05
02
2019
entrez:
1
3
2019
pubmed:
1
3
2019
medline:
1
3
2019
Statut:
epublish
Résumé
Sustained stimulated emission under continuous-wave (CW) excitation is a prerequisite for new semiconductor materials being developed for laser gain media. Although hybrid organic-inorganic lead-halide perovskites have attracted much attention as optical gain media, the demonstration of room-temperature CW lasing has still not been realized. Here, we present a critical step towards this goal by demonstrating CW amplified spontaneous emission (ASE) in a phase-stable perovskite at temperatures up to 120 K. The phase-stable perovskite maintains its room-temperature phase while undergoing cryogenic cooling and can potentially support CW lasing also at higher temperatures. We find the threshold level for CW ASE to be 387 W cm
Identifiants
pubmed: 30816111
doi: 10.1038/s41467-019-08929-0
pii: 10.1038/s41467-019-08929-0
pmc: PMC6395683
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
988Références
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