Ultrasonic preparation of mesoporous silica using pyridinium ionic liquid

  title={Ultrasonic preparation of mesoporous silica using pyridinium ionic liquid},
  author={Ana-Maria Putz and Ad{\'e}l Len and Cătălin Ianăși and Cecilia Savii and L{\'a}szl{\'o} Alm{\'a}sy},
  journal={Korean Journal of Chemical Engineering},
Mesoporous silica matrices have been prepared via classic acid catalyzed and sono-catalyzed sol-gel routes. Tetramethoxysilan (TMOS) and methyl-trimethoxysilane (MTMS) were used as silica precursors, and N-butyl-3-methylpyridinium tetrafluoroborate ([bmPy][BF4]) was employed as co-solvent and pore template. The ionic liquid (IL) to silica mole ratio was varied between 0.007 and 0.07. Nitrogen adsorption-desorption and small-angle neutron scattering measurements were used to characterize the… 

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