Synthesis of micron-sized hollow silica spheres with a novel mesoporous shell of MCF

被引：1
|
作者：
Zhang, An Feng [1 ]
Zhang, Yong Chun [1 ]
Xing, Na [1 ]
Hou, Ke Ke [1 ]
Wang, Jing [1 ]
Guo, Xin Wen [1 ]
机构：
[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2009年 / 20卷 / 07期
关键词：
Hollow spheres; MCF; Mesoporous material; PORE SYSTEMS; CYLINDRICAL PORES; ADSORPTION BRANCH; CATALYSTS; MICROEMULSIONS; DISTRIBUTIONS; EMULSION; ISOTHERM; RELEASE;
D O I：
10.1016/j.cclet.2009.03.001
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Micron-sized hollow silica spheres whose shells are made up of mesocellular silica foams (MCFs) have been synthesized by one-pot sol-gel method in benzene/water/P123 emulsion. The material is characterized with SEM, TEM, BET and Si-29 MAS NMR. The results show that the MCFs of the unique shell of hollow silica spheres were connected by large windows with a narrow distribution of similar to 10 nm in diameter, the inner space of the hollow sphere is accessible. And the formation mechanism of the hollow silica spheres is proposed. (C) 2009 Xin Wen Guo. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：852 / 856
页数：5
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