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Molecules 2019, 24(5), 848;

Influence of Silicodactyly in the Preparation of Hybrid Materials

Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, V. T. Michel 11, I-15100 Alessandria, Italy
Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, Largo Donegani 2/3, I-28100 Novara, Italy
CAGE Chemicals srl, Via Bovio 6, I-28100 Novara, Italy
Author to whom correspondence should be addressed.
Academic Editor: Robert Raja
Received: 30 January 2019 / Revised: 15 February 2019 / Accepted: 26 February 2019 / Published: 28 February 2019
(This article belongs to the Special Issue Catalysis: Providing Sustainable Solutions to Global Challenges)
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The organic–inorganic hybrid materials have attracted great attention due to their improved or unusual properties that open promising applications in different areas such as optics, electronics, energy, environment, biology, medicine and heterogeneous catalysis. Different types of silicodactyl platforms grafted on silica inorganic supports can be used to synthesize hybrid materials. A careful evaluation of the dactyly of the organic precursors, normally alkoxysilanes, and of the type of interaction with the inorganic supports is presented. In fact, depending on the hydrophilicity of the silica surface (e.g., number and density of surface silanols) as well as on the grafting conditions, the hydrolysis and condensation reaction of the silylated moieties can involve only one or two out of three alkoxysilane groups. The influence of silicodactyly in the preparation of organic-inorganic silica-based hybrids is studied by TGA, 29Si, 1H and 13C solid-state NMR and FTIR spectroscopies, with the support of Molecular Dynamics calculations. Computational studies are used to forecast the influence of the different grafting configurations on the tendency of the silane to stick on the inorganic surface. View Full-Text
Keywords: hybrid materials; silicodactyly; physico-chemical characterization hybrid materials; silicodactyly; physico-chemical characterization

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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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Ivaldi, C.; Miletto, I.; Paul, G.; Giovenzana, G.B.; Fraccarollo, A.; Cossi, M.; Marchese, L.; Gianotti, E. Influence of Silicodactyly in the Preparation of Hybrid Materials. Molecules 2019, 24, 848.

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