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Title: Environmentally responsive nanoparticle-based luminescent optical resonators
Authors: Sánchez-Sobrado, Olalla ; Calvo, Mauricio E. ; Núñez, Nuria O. ; Ocaña, Manuel ; Lozano, Gabriel ; Míguez, Hernán
Issue Date: 2010
Publisher: Royal Society of Chemistry (Great Britain)
Citation: Nanoscale 2: 936- 941 (2010)
Abstract: In this work, we demonstrate that optical resonators built using all-nanoparticle-based porous building blocks provide a responsive multifunctional matrix, totally different emission spectra being attained from the same embedded luminescent nanophosphors under varying environmental conditions. We show a clear correlation between modifications in the ambient surroundings, the induced changes of the resonant modes, and the resulting variations in the emission response. The method is versatile and allows nanophosphors of arbitrary shape to be integrated in the cavity. By precise control of the spectral features of the optical resonances, luminescence is strongly modulated in selected and tuneable wavelength ranges. Applications in the fields of sensing and detection are foreseen for these materials. © 2010 The Royal Society of Chemistry.
URI: http://hdl.handle.net/10261/83866
DOI: 10.1039/b9nr00338j
Identifiers: doi: 10.1039/b9nr00338j
issn: 2040-3364
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