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Title

Photonic Crystals from Ordered Mesoporous Thin-Film Functional Building Blocks

AuthorsFuertes, María Cecilia; López-Alcaraz, Francisco Javier; Marchi, María Claudia; Troiani, Horacio E.; Luca, Vittorio; Míguez, Hernán ; Soler-Illia, G.J.A.A.
KeywordsBragg mirrors
Mesoporous materials
Optical sensors
Photonic crystals
Silica
Surface functionalization
Thin films, mesoporous
Issue Date28-Mar-2007
AbstractEnvironment-sensitive Bragg reflectors are built using functional mesoporous thin films as building blocks. Tuning of optical properties is achieved by changing the composition or porosity of the slabs or the introduction of planar defects. Sorption or capillary condensation of molecules into the pore system results in a 10-40 nm photonic bandgap (PBG) shift. Organic functions added to the pore surface change the response, permitting tailoring of the selectivity towards small-size molecules.
DescriptionAdvanced Functional Materials Vol. 17 (8), p. 1247 - 1254
Publisher version (URL)http://dx.doi.org/10.1002/adfm.200601190
URIhttp://hdl.handle.net/10261/7921
DOI10.1002/adfm.200601190
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