Opals infiltrated with a stimuli-responsive hydrogel for ethanol vapor sensing

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30 Citazioni (Scopus)


We report on a novel class of optical materials for ethanol vapor sensing, based on polystyrene opals infiltrated with an innovative stimuli responsive hydrogel. We describe the fabrication process of the bare polystyrene opals and their subsequent infiltration. The optical characterization of the photonic crystal templates was performed to prove the good quality of the samples. Measurements on the infiltrated opals showed that the transmission spectra in the visible range strongly change at varying concentrations of ethanol vapor. The fabricated structures show a linear optical response in the visible range, for high values of ethanol concentration.
Lingua originaleEnglish
pagine (da-a)1820-1833
Numero di pagine14
RivistaOptical Materials Express
Stato di pubblicazionePublished - 2013

All Science Journal Classification (ASJC) codes

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