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Current Organic Chemistry

Editor-in-Chief

ISSN (Print): 1385-2728
ISSN (Online): 1875-5348

Review Article

Functionalization of Mesoporous Silica Nanoparticles with Organosilanes: Experimental Evidence of the Interaction Between Organic Groups and Silica Surface

Author(s): Anna Del Tedesco, Emmanuele Ambrosi, Silvia Borsacchi* and Alvise Benedetti*

Volume 21, Issue 24, 2017

Page: [2434 - 2444] Pages: 11

DOI: 10.2174/1385272821666161230120108

Price: $65

Abstract

The functionalization of mesoporous silica nanoparticles (MSNs) is a very important step in the preparation of these systems for a variety of applications. The surface of MSNs can be widely functionalized with different organic groups. There are essentially two ways to covalently modify the surface of nanoparticles: co-condensation and post-grafting. Generally, for both of these methods, the precursors are: [(R'O)3SiR] and [Cl3SiR]. The paper summarizes the main experimental contributions and the recent advances in the study of interactions among organosilanes and the MSNs surface. In particular, it provides relevant and innovative examples of Solid State and Solution NMR (SSNMR and SolNMR) and Fourier Transform InfraRed (FTIR) spectroscopy that highlight different possible approaches to understand the MSNs-pendants interaction.

Keywords: Mesoporous materials, co-condensation, post-grafting, FTIR, SSNMR, organosilanes.

Graphical Abstract

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