Evaporation-induced self-structuring of organised silica nanohybrid films through cooperative physical and chemical interactions.
Identifieur interne : 003255 ( Ncbi/Checkpoint ); précédent : 003254; suivant : 003256Evaporation-induced self-structuring of organised silica nanohybrid films through cooperative physical and chemical interactions.
Auteurs : Ana M. Cojocariu [Australie] ; Xavier Cattoën [France] ; Rozenn Le Parc [France] ; David Maurin [France] ; Christophe Blanc [France] ; Philippe Dieudonné [France] ; Jean-Louis Bantignies [France] ; Michel Wong Chi Man [France] ; John R. Bartlett [Australie]Source :
- Physical chemistry chemical physics : PCCP [ 1463-9084 ] ; 2016.
Abstract
In this work, we develop the concept of evaporation-induced self-structuring as a novel approach for producing organised films by exploiting cooperative physical and chemical interactions under far-from-equilibrium conditions (spin-coating), using sol-gel precursors with multiple functional groups. Thin films of self-structured silsesquioxane nanohybrids have been deposited by spin coating through the sol-gel hydrolysis and condensation of a bridged organosilane bearing self-assembling urea groups. The resulting nanostructure, investigated by FTIR, AFM and SEM, is shown to be highly dependent on the catalyst used (nucleophilic or acidic), and can be further modulated by varying the spinning rate. FTIR studies revealed the presence of highly organised structures under acidic catalysis due to strong hydrogen bonding between urea groups and hydrophobic interactions between long alkylene chains. The preferential orientation of the urea cross-links parallel to the substrate is shown using polarized FTIR experiments.
DOI: 10.1039/c5cp02742j
PubMed: 26958662
Affiliations:
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Bartlett</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. JBartlett@usc.edu.au and School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. 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Cojocariu</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. JBartlett@usc.edu.au and Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier, France and School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. JBartlett@usc.edu.au and Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier, France and School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith, NSW 2751</wicri:regionArea><wicri:noRegion>NSW 2751</wicri:noRegion></affiliation></author><author><name sortKey="Cattoen, Xavier" sort="Cattoen, Xavier" uniqKey="Cattoen X" first="Xavier" last="Cattoën">Xavier Cattoën</name><affiliation wicri:level="1"><nlm:affiliation>Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier, France and CNRS Inst. Néel, F-38042 Grenoble, France. xavier.cattoen@neel.cnrs.fr and Univ. Grenoble Alpes, Inst. Néel, F-38042 Grenoble, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier, France and CNRS Inst. Néel, F-38042 Grenoble, France. xavier.cattoen@neel.cnrs.fr and Univ. Grenoble Alpes, Inst. Néel, F-38042 Grenoble</wicri:regionArea><wicri:noRegion>38042 Grenoble</wicri:noRegion><wicri:noRegion>38042 Grenoble</wicri:noRegion></affiliation></author><author><name sortKey="Le Parc, Rozenn" sort="Le Parc, Rozenn" uniqKey="Le Parc R" first="Rozenn" last="Le Parc">Rozenn Le Parc</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, France. jean-louis.bantignies@umontpellier.fr.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier</wicri:regionArea><placeName><region type="region">Occitanie (région administrative)</region><region type="old region">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Maurin, David" sort="Maurin, David" uniqKey="Maurin D" first="David" last="Maurin">David Maurin</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, France. jean-louis.bantignies@umontpellier.fr.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier</wicri:regionArea><placeName><region type="region">Occitanie (région administrative)</region><region type="old region">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Blanc, Christophe" sort="Blanc, Christophe" uniqKey="Blanc C" first="Christophe" last="Blanc">Christophe Blanc</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, France. jean-louis.bantignies@umontpellier.fr.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier</wicri:regionArea><placeName><region type="region">Occitanie (région administrative)</region><region type="old region">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Dieudonne, Philippe" sort="Dieudonne, Philippe" uniqKey="Dieudonne P" first="Philippe" last="Dieudonné">Philippe Dieudonné</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, France. jean-louis.bantignies@umontpellier.fr.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier</wicri:regionArea><placeName><region type="region">Occitanie (région administrative)</region><region type="old region">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Bantignies, Jean Louis" sort="Bantignies, Jean Louis" uniqKey="Bantignies J" first="Jean-Louis" last="Bantignies">Jean-Louis Bantignies</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, France. jean-louis.bantignies@umontpellier.fr.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier</wicri:regionArea><placeName><region type="region">Occitanie (région administrative)</region><region type="old region">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Wong Chi Man, Michel" sort="Wong Chi Man, Michel" uniqKey="Wong Chi Man M" first="Michel" last="Wong Chi Man">Michel Wong Chi Man</name><affiliation wicri:level="3"><nlm:affiliation>Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Institut Charles Gerhardt Montpellier, UMR 5253 ENSCM-Université Montpellier-CNRS, 8, rue de l'école normale, 34296 Montpellier</wicri:regionArea><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Bartlett, John R" sort="Bartlett, John R" uniqKey="Bartlett J" first="John R" last="Bartlett">John R. Bartlett</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. JBartlett@usc.edu.au and School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia. JBartlett@usc.edu.au and School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith, NSW 2751</wicri:regionArea><wicri:noRegion>NSW 2751</wicri:noRegion></affiliation></author></analytic><series><title level="j">Physical chemistry chemical physics : PCCP</title><idno type="eISSN">1463-9084</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this work, we develop the concept of evaporation-induced self-structuring as a novel approach for producing organised films by exploiting cooperative physical and chemical interactions under far-from-equilibrium conditions (spin-coating), using sol-gel precursors with multiple functional groups. Thin films of self-structured silsesquioxane nanohybrids have been deposited by spin coating through the sol-gel hydrolysis and condensation of a bridged organosilane bearing self-assembling urea groups. The resulting nanostructure, investigated by FTIR, AFM and SEM, is shown to be highly dependent on the catalyst used (nucleophilic or acidic), and can be further modulated by varying the spinning rate. FTIR studies revealed the presence of highly organised structures under acidic catalysis due to strong hydrogen bonding between urea groups and hydrophobic interactions between long alkylene chains. The preferential orientation of the urea cross-links parallel to the substrate is shown using polarized FTIR experiments.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country><region><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li></region><settlement><li>Montpellier</li></settlement></list><tree><country name="Australie"><noRegion><name sortKey="Cojocariu, Ana M" sort="Cojocariu, Ana M" uniqKey="Cojocariu A" first="Ana M" last="Cojocariu">Ana M. Cojocariu</name></noRegion><name sortKey="Bartlett, John R" sort="Bartlett, John R" uniqKey="Bartlett J" first="John R" last="Bartlett">John R. Bartlett</name></country><country name="France"><noRegion><name sortKey="Cattoen, Xavier" sort="Cattoen, Xavier" uniqKey="Cattoen X" first="Xavier" last="Cattoën">Xavier Cattoën</name></noRegion><name sortKey="Bantignies, Jean Louis" sort="Bantignies, Jean Louis" uniqKey="Bantignies J" first="Jean-Louis" last="Bantignies">Jean-Louis Bantignies</name><name sortKey="Blanc, Christophe" sort="Blanc, Christophe" uniqKey="Blanc C" first="Christophe" last="Blanc">Christophe Blanc</name><name sortKey="Dieudonne, Philippe" sort="Dieudonne, Philippe" uniqKey="Dieudonne P" first="Philippe" last="Dieudonné">Philippe Dieudonné</name><name sortKey="Le Parc, Rozenn" sort="Le Parc, Rozenn" uniqKey="Le Parc R" first="Rozenn" last="Le Parc">Rozenn Le Parc</name><name sortKey="Maurin, David" sort="Maurin, David" uniqKey="Maurin D" first="David" last="Maurin">David Maurin</name><name sortKey="Wong Chi Man, Michel" sort="Wong Chi Man, Michel" uniqKey="Wong Chi Man M" first="Michel" last="Wong Chi Man">Michel Wong Chi Man</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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