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Polymers 2018, 10(10), 1161;

Selective Polymer Distributed Bragg Reflector Vapor Sensors

Dipartimento di Chimica e Chimica Industriale, Università degli Studi di Genova, Via Dodecaneso 31, 16146 Genova, Italy
Received: 6 September 2018 / Revised: 10 October 2018 / Accepted: 14 October 2018 / Published: 17 October 2018
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We report on Flory–Huggins photonic sensors for the selective detection of volatile organic compounds without the use of any chemical functionalization. For this purpose, we employed periodic multilayers made of inert cellulose acetate alternated to active polystyrene films whose free volume was modified with silanized ZnO nanoparticles. The simple UV-visible (UV-vis) dynamic optical response of such polymer distributed Bragg reflectors during exposure to vapors of benzene, toluene, o-dichlorobenzene, and carbon tetrachloride allows their detection and recognition based on different chemico–physical affinity with the active polymer medium. View Full-Text
Keywords: photonic crystals sensors; polymers; distributed Bragg reflectors; Flory–Huggins; nanoparticles photonic crystals sensors; polymers; distributed Bragg reflectors; Flory–Huggins; nanoparticles

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lova, P. Selective Polymer Distributed Bragg Reflector Vapor Sensors. Polymers 2018, 10, 1161.

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