Novel optical sensors for detection of nitroaromatics based on supported thin flexible poly(methylhydrosiloxane) permeable films functionalised with silole groups
| Autor: | Douglas, William, Baldini, Francesco, Homola, Jiri, Amro, Kassem, Clément, Sébastien, Lieberman, Robert, Kalli, Kyriacos, Dejardin, Philippe, Gerbier, Philippe, Janot, Jean-Marc, Thami, Thierry |
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| Přispěvatelé: | Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM), Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Institut Européen des membranes (IEM), Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM), Chimie moléculaire et organisation du solide (CMOS), Université Montpellier 2 - Sciences et Techniques (UM2)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2011 |
| Předmět: |
chemistry.chemical_classification
Materials science Polymethylhydrosiloxane 010405 organic chemistry Hydrosilylation technology industry and agriculture food and beverages Substrate (chemistry) Polymer 010402 general chemistry 01 natural sciences 0104 chemical sciences Solvent chemistry.chemical_compound chemistry Covalent bond Polymer chemistry Surface modification [CHIM]Chemical Sciences Thin film ComputingMilieux_MISCELLANEOUS |
| Zdroj: | SPIE Optics + Optoelectronics SPIE Optics + Optoelectronics, 2011, Prague, France. ⟨10.1117/12.886495⟩ |
| DOI: | 10.1117/12.886495⟩ |
| Popis: | A new silole bearing an allyl group at silicon has been incorporated into previously-reported novel reactive polysiloxane coatings made from polymethylhydrosiloxane (PMHS) polymers crosslinked by the sol-gel process allowing subsequent functionalization by hydrosilylation of the SiH reactive groups. The thin films of crosslinked resin are covalently bonded to the glass substrate and contain a very low concentration of silole groups. They exhibit the aggregation-induced emission effect owing to restricted intramolecular rotation, and show enhanced sensitivity to nitroaromatic analytes because of the very low concentration of silole groups. The films can be used to test for nitroaromatics present not only in the vapour phase but also in many types of solvent because of the robust nature of the crosslinked network and covalent bonding to the substrate. They can be made in thicknesses ranging from 20 nm up to 1 μm. The silole groups are readily accessible, and the sensors can be regenerated by washing with solvents such as chloroform. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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