Synthesis of spheroidal ordered mesoporous carbon materials from silica/P123/butanol composites

被引：13
作者：
Liu, Na [1 ]
Song, Huaihe [1 ]
Chen, Xiaohong [1 ]
Wang, Yong [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 130卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Ordered mesoporous carbon; Carbonization; Adsorption; Triblock copolymer; Hard template method; BUTANOL-WATER SYSTEM; OIL SYSTEMS; SILICA; SPHERES; MICROSTRUCTURE; TRANSFORMATION; CARBONIZATION; TEMPLATE; SYMMETRY; FILMS;
D O I：
10.1016/j.matchemphys.2011.08.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spheroidal ordered mesoporous carbon materials with diameter of 2-10 mu m were synthesized by direct carbonization of silica/triblock copolymer P123/butanol composites using P123 and butanol as the structure-directing agents and carbon precursors. The morphologies, structures and pore characteristics of the carbon materials were investigated by scanning and transmission electron microscopes, X-ray diffraction, and nitrogen sorption. It was found that the material possesses a cubic ordered mesoporous structure with Ia3d symmetry. The butanol addition directly affects the carbon morphology and pore structure. When the mass ratio of butanol to P123 is 0.5:1, the product exhibits a perfectly spheroidal morphology with a specific surface area of 1236 m(2) g(-1) and a total pore volume of 1.26 cm(3) g(-1). The formation mechanism of the spheroidal ordered mesoporous carbon materials is discussed briefly. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1016 / 1021
页数：6
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