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Drying induced phase transformation of mesoporous silica
Ming-Chang Liu1, Hwo-Shuenn Sheu, Soofin Cheng
1Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.
Chemical Communications (Cambridge, England)
|December 14, 2002
Abstract:
Solvent evaporation upon drying the precipitate was found to be the key factor for the phase transformation of cubic mesoporous silica SBA-1 to hexagonal SBA-3 studied by in-situ X-ray diffraction and 29Si solid state NMR on the precipitates formed various crystallisation conditions.