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Título: | Supporting information of: Effect of the effective refractive index on the radiative decay rate in nanoparticle thin films [Dataset] |
Autor: | Romero Aguilar, Manuel CSIC ORCID; Sánchez-Valencia, J. R. CSIC ORCID ; Lozano, Gabriel CSIC ORCID; Míguez, Hernán CSIC ORCID | Palabras clave: | Local density of states, Optical environment Effective refractive index Nanoparticle films |
Fecha de publicación: | 2023 | Editor: | DIGITAL.CSIC | Citación: | Romero Aguilar, Manuel; Sánchez-Valencia, J. R.; Lozano, Gabriel; Míguez, Hernán; 2023; Supporting information of: Effect of the effective refractive index on the radiative decay rate in nanoparticle thin films [Dataset]; DIGITAL.CSIC; https://doi.org/10.20350/digitalCSIC/15509 | Resumen: | In this work, we theoretically and experimentally study the influence of the optical environment on the radiative decay rate of luminescent nanoparticles forming a thin film. We use electric dipole sources in finite-difference time-domain simulations to analyze the effect of modifying the effective refractive index of transparent layers made of phosphor nanocrystals doped with rare earth cations, and propose a significant correction to previously reported analytical models for calculating the radiative decay rate. Our predictions are tested against an experimental realization of such films, in which we manage to vary the effective refractive index in a gradual and controllable manner. Our model accurately accounts for the measurements attained, allows us discriminating the radiative and non-radiative contributions to the time-resolved photoluminescence, and provides a way to rationally tune the spontaneous decay rate and hence the photoluminescence quantum yield of an ensemble of nanoparticles. | URI: | http://hdl.handle.net/10261/334556 | DOI: | https://doi.org/10.20350/digitalCSIC/15509 | Referencias: | Romero Aguilar, Manuel; Sánchez-Valencia, J. R.; Lozano, Gabriel; Míguez, Hernán. Effect of the effective refractive index on the radiative decay rate in nanoparticle thin films. https://doi.org/10.1039/d3nr03348a . http://hdl.handle.net/10261/335083 |
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README.txt | 4,35 kB | Text | Visualizar/Abrir | |
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