| 标题 |
Synthesis and Phase Transition of Ordered Mesoporous Carbon
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Li, M (Li Meng) [1] ; Yu, JC (Yu Jianchang) Mesoporous silica materials have been synthesized at low temperature under alkaline condition using tetraethyl orthosilicate as the silica source and cetyltrimethylammonium bromide as the structure directing agent. And the ordered mesoporous carbon was synthesized by liquid impregnation method with sucrose as the carbon precursor and mesoporous silica as template. The resulting materials were characterized by X-ray diffraction, transmission electron microscopy and N(2) adsorption-desorption. The results show that the mesoporous materials have highly ordered structure, high specific surface area (mesoporous silica, 992 similar to 1096 m(2)/g; mesoporous carbon, 930 similar to 1208 m(2)/g), large pore volume and narrow pore size distribution. |
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(2025-6-4)