Low threshold lasing emissions from a single upconversion nanocrystal

Cross-relaxation between neighbouring emitters usually limits the brightness of luminescence due to self-quenching. Here, the authors present single upconversion nanoparticle lasing where the cross relaxation modulates the brightness and ultra-low threshold lasing is achieved.

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Detalles Bibliográficos
Autores principales: Yunfei Shang, Jiajia Zhou, Yangjian Cai, Fan Wang, Angel Fernandez-Bravo, Chunhui Yang, Lei Jiang, Dayong Jin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/a5d66d7dcc444c01abc84832d623b347
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Descripción
Sumario:Cross-relaxation between neighbouring emitters usually limits the brightness of luminescence due to self-quenching. Here, the authors present single upconversion nanoparticle lasing where the cross relaxation modulates the brightness and ultra-low threshold lasing is achieved.