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Photonic Tuning of the Emission Color of Nanophosphor Films Processed at High Temperature

Opened Access Photonic Tuning of the Emission Color of Nanophosphor Films Processed at High Temperature

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Autor: Geng, Dongling
Calvo Roggiani, Mauricio
Núñez Alvarez, Nuria O.
Becerro Nieto, Ana Isabel
Ocaña Jurado, Manuel
Miguez García, Hernán
Departamento: Universidad de Sevilla. Departamento de Química Inorgánica
Fecha: 2017
Publicado en: Advanced Optical Materials, 5, 1-8.
Tipo de documento: Artículo
Resumen: Photonics offers new possibilities to tailor the photoluminescence process in phosphor-converted light emitting diodes. Herein, it is demonstrated that the emission color of thin layers of rare-earth doped nanocrystals can be strongly modulated in tunable spectral ranges using optical resonators specifically designed to this end. GdVO4:Dy3+ nanoparticles of controlled size and shape are synthesized using a solvothermal method with which highly transparent nanophosphor thin films are prepared. This paper designs and fabricates optical multilayers, which are transparent in the UV and resonant at the frequencies where the Dy3+ ions emit, to prove that the color coordinates of this emitter can be tuned from green to blue or yellow with unprecedented precision. Key to the achievement herein reported is the careful analysis of the structural and optical properties of thin nanophosphor layers with the processing temperature in order to achieve efficient photoluminescence while preserving the...
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Cita: Geng, D., Calvo Roggiani, M., Núñez Alvarez, N.O., Becerro Nieto, A.I., Ocaña Jurado, M. y Miguez García, H. (2017). Photonic Tuning of the Emission Color of Nanophosphor Films Processed at High Temperature. Advanced Optical Materials, 5, 1-8.
Tamaño: 3.689Mb
Formato: PDF

URI: https://hdl.handle.net/11441/71241

DOI: 10.1002/adom.201700099

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