Rapid Room Temperature Synthesis of Hexagonal Mesoporous Silica Using Inorganic Silicate Sources and Cationic Surfactants under Highly Acidic Conditions

被引:52
作者
Setoguchi, Yukako M. [1 ]
Teraoka, Yasutake [1 ]
Moriguchi, Isamu [1 ]
Kagawa, Shuichi [1 ]
Tomonaga, Nariyuki [2 ]
Yasutake, Akinori [2 ]
Izumi, Jun [2 ]
机构
[1] Nagasaki Univ, Dept Appl Chem, Fac Engn, Nagasaki 852, Japan
[2] Mitsubishi Heavy Ind Ltd, Nagasaki Res & Dev Ctr, Nagasaki 85103, Japan
关键词
mesoporous silica; hexagonal phase; synthesis; room temperature; inorganic silicate sources; acidic medium;
D O I
10.1023/A:1009684801918
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The room-temperature synthesis of mesoporous silica was investigated by using cationic surfactants and inorganic Si sources, like sodium silicate and colloidal silica. Mesoporous silica analogous to the hexagonal MCM-41 could be obtained over a wide range of pH below ca. 11 within short synthesis time (3 h), when the Q(4)-state Si was absent in the Si source solution prior to mixing with an aqueous solution of cationic surfactants. It was suggested that the strongly acidic conditions (pH < 1) were favorable to give mesoporous silica materials with higher surface area and larger mesopore volume.
引用
收藏
页码:129 / 134
页数:6
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