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Tamm Plasmons Directionally Enhance Rare-Earth Nanophosphor Emission.


ABSTRACT: Rare-earth-based phosphors are the materials on which current solid-state lighting technology is built. However, their large crystal size impedes the tuning, optimization, or manipulation of emitted light that can be achieved by their integration in nanophotonic architectures. Herein we demonstrate a hybrid plasmonic-photonic architecture capable of both channeling in a specific direction and enhancing by eight times the emission radiated by a macroscopically wide layer of nanophosphors. In order to do so, a slab of rare-earth-based nanocrystals is inserted between a dielectric multilayer and a metal film, following a rational design that optimizes the coupling of nanophosphor emission to collective modes sustained by the metal-dielectric system. Our approach is advantageous for the optimization of solid-state lighting systems.

SUBMITTER: Geng D 

PROVIDER: S-EPMC6488127 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Tamm Plasmons Directionally Enhance Rare-Earth Nanophosphor Emission.

Geng Dongling D   Cabello-Olmo Elena E   Lozano Gabriel G   Míguez Hernán H  

ACS photonics 20190214 3


Rare-earth-based phosphors are the materials on which current solid-state lighting technology is built. However, their large crystal size impedes the tuning, optimization, or manipulation of emitted light that can be achieved by their integration in nanophotonic architectures. Herein we demonstrate a hybrid plasmonic-photonic architecture capable of both channeling in a specific direction and enhancing by eight times the emission radiated by a macroscopically wide layer of nanophosphors. In orde  ...[more]

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