Directing role of pH and ethanol vapour on the formation of 2D or 3D mesostructured silica and hybrid organo-silica thin films
Bruno Alonso (CRMHT, CNRS UPR )
A. Ruud Balkenende (Philips Research Laboratories)
Pierre Antoine Albouy (University of Paris-Sud)
Dominique Durand (LURE)
Florence Babonneau (Université Paris VI)
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Abstract
A simple synthetic route leading to ordered mesostructured silica and organo-silica thin films is investigated by in situ X-ray experiments. The mesophase directing role of pH and of ethanol vapour pressure during film formation is demonstrated. Modifications of these two parameters during dip coating results in three different 2D or 3D mesostructures (p6mm, P63/mmc, or Pm3n).
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