Nanostructuring of ionic bridged silsesquioxanes

Amàlia Monge-Marcet, Xavier Cattoën, Philippe Dieudonné, Roser Pleixats, Michel Wong Chi Man

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The transformation by hydrolysis/condensation of four new mesityl-(bis or tris)imidazolium-based alkoxysilane precursors into their corresponding bridged silsesquioxanes has been investigated. These precursors feature urea groups and either short or long alkylene chains, which are known to favor self-assembly. The most regular nanostructures were obtained by a combination of the tripodal precursors with C10H20 alkylene chains, as shown by powder X-ray diffraction (PXRD) analysis, independent of the reaction conditions. Tidy up! Organosilicas that feature imidazolium units tend to self-organize during the sol-gel process thanks to the self-assembly of long alkylene chains. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Pages (from-to)2235-2241
JournalChemistry - An Asian Journal
Issue number9
Publication statusPublished - 1 Sep 2013


  • hydrolysis
  • nanostructures
  • organosilicas
  • self-assembly
  • sol-gel processes

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    Monge-Marcet, A., Cattoën, X., Dieudonné, P., Pleixats, R., & Wong Chi Man, M. (2013). Nanostructuring of ionic bridged silsesquioxanes. Chemistry - An Asian Journal, 8(9), 2235-2241.