Artículo
Angular emission properties of a layer of rare-earth based nanophosphors embedded in one-dimensional photonic crystal coatings
Autor/es | Sánchez Sobrado, Olalla
Yacomotti, Alejandro M. Calvo Roggiani, Mauricio Martínez, O. E Ocaña Jurado, Manuel Núñez Alvarez, Nuria O. Levenson, J.A.M Míguez García, Hernán Ruy |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2011 |
Fecha de depósito | 2019-02-14 |
Publicado en |
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Resumen | The angular properties of light emitted from rare-earth based nanophosphors embedded in optical resonators built in one-dimensional photonic crystal coatings are herein investigated. Strong directional dependence of the ... The angular properties of light emitted from rare-earth based nanophosphors embedded in optical resonators built in one-dimensional photonic crystal coatings are herein investigated. Strong directional dependence of the photoluminescence spectra is found. Abrupt angular variations of the enhancement caused by the photonic structure and the extraction power are observed, in good agreement with calculated polar emission patterns. Our results confirm that the optical cavity favors the extraction of different wavelengths at different angles and that integration of nanophosphors within photonic crystals provides control over the directional emission properties that could be put into practice in phosphorescent displays. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España Junta de Andalucía |
Identificador del proyecto | MAT2008- 02166
CSD2007-00007 FQM3579 FQM5247 |
Cita | Sánchez Sobrado, O., Yacomotti, A.M., Calvo Roggiani, M., Martínez, O.E., Ocaña Jurado, M., Núñez Alvarez, N.O.,...,Míguez García, H.R. (2011). Angular emission properties of a layer of rare-earth based nanophosphors embedded in one-dimensional photonic crystal coatings. Applied Physics Letters, 99, 051111-. |
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