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Title

Versatility and multifunctionality of highly reflecting Bragg mirrors based on nanoparticle multilayers

AuthorsSánchez-Sobrado, Olalla ; Calvo, Mauricio E. ; Míguez, Hernán
Issue Date2010
PublisherRoyal Society of Chemistry (Great Britain)
CitationJournal of Materials Chemistry 20: 8240- 8246 (2010)
AbstractThe use of both supported and flexible self-standing nanoparticle-based one dimensional photonic crystal films as effective frequency selective filters in the UV-vis-NIR is herein evaluated. The requirements to achieve a flat spectral response at the desired frequency range are analyzed and a synthetic route to realize materials with such properties presented. Strict control over the structural parameters yields multilayers in which the opening or closing of higher order photonic band gaps can be devised, thus leading to films capable of blocking the UV and NIR ranges simultaneously. Furthermore, the physico-chemical properties of the mirror can be modified to yield either moisture-repelling or, on the contrary, environmentally responsive optical filters. These materials present a great potential to be used as versatile and multifunctional optical elements. © 2010 The Royal Society of Chemistry.
URIhttp://hdl.handle.net/10261/83974
DOI10.1039/c0jm01508c
Identifiersdoi: 10.1039/c0jm01508c
issn: 0959-9428
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