Cun-ying Xu, Ru-lan Tang, Yi-xin Hua, Peng-xiang Zhang. Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules[J]. Chinese Journal of Chemical Physics , 2008, 21(6): 596-600. doi: 10.1088/1674-0068/21/06/596-600
Citation: Cun-ying Xu, Ru-lan Tang, Yi-xin Hua, Peng-xiang Zhang. Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules[J]. Chinese Journal of Chemical Physics , 2008, 21(6): 596-600. doi: 10.1088/1674-0068/21/06/596-600

Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules

doi: 10.1088/1674-0068/21/06/596-600
Funds:  This work was supported by the National Natural Science Foundation of China (No.50564006), the Natural Science Foundation From Science and Technology Committee of Yunnan (No.2005E0042), and the Specialized Research Foundation for the Doctoral Program of Higher Education of China (No.20070674001). We also thank Academician Si-shen Xie, Institute of Physics of Chinese Academy Sciences for helping with an SEM facility.
  • Received Date: 2008-05-23
  • Mesoporous silica materials were synthesized via a sol-gel method employing a room temperature ionic liquid (1-butyl-3-methylimidazolium tetrafluoroborate, [bmim][BF4]) as a new solvent medium and further modified with surfactant (hexadecyl-trimethyl-ammonium bromide, CTAB) as a pore templating material. The synthesized samples were characterized by the transmission electron microscopy, X-ray diffraction, and N2 adsorption-desorption techniques. The results indicated that the mesoporous silica synthesized by using [bmim][BF4] and CTAB as mixed templates showed better mesostructural order and smaller pore size, compared with mesoporous silica materials synthesized by using single [bmim][BF4] as template under the same conditions. This indicates that the presence of surfactant can affect the microstructures of silica prepared by the present synthesis method.
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Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules

doi: 10.1088/1674-0068/21/06/596-600
Funds:  This work was supported by the National Natural Science Foundation of China (No.50564006), the Natural Science Foundation From Science and Technology Committee of Yunnan (No.2005E0042), and the Specialized Research Foundation for the Doctoral Program of Higher Education of China (No.20070674001). We also thank Academician Si-shen Xie, Institute of Physics of Chinese Academy Sciences for helping with an SEM facility.

Abstract: Mesoporous silica materials were synthesized via a sol-gel method employing a room temperature ionic liquid (1-butyl-3-methylimidazolium tetrafluoroborate, [bmim][BF4]) as a new solvent medium and further modified with surfactant (hexadecyl-trimethyl-ammonium bromide, CTAB) as a pore templating material. The synthesized samples were characterized by the transmission electron microscopy, X-ray diffraction, and N2 adsorption-desorption techniques. The results indicated that the mesoporous silica synthesized by using [bmim][BF4] and CTAB as mixed templates showed better mesostructural order and smaller pore size, compared with mesoporous silica materials synthesized by using single [bmim][BF4] as template under the same conditions. This indicates that the presence of surfactant can affect the microstructures of silica prepared by the present synthesis method.

Cun-ying Xu, Ru-lan Tang, Yi-xin Hua, Peng-xiang Zhang. Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules[J]. Chinese Journal of Chemical Physics , 2008, 21(6): 596-600. doi: 10.1088/1674-0068/21/06/596-600
Citation: Cun-ying Xu, Ru-lan Tang, Yi-xin Hua, Peng-xiang Zhang. Mesoporous Silica Materials Synthesized via Sol-Gel Methods Modified with Ionic Liquid and Surfactant Molecules[J]. Chinese Journal of Chemical Physics , 2008, 21(6): 596-600. doi: 10.1088/1674-0068/21/06/596-600

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