Synthesis of hollow mesoporous silica spheres with radially aligned mesochannels and tunable textural properties

被引：23

作者：

Liu, Ruiping ^{[1
,2
]}

Wang, Chang-an ^{[2
]}

机构：

[1] China Univ Min & Technol Beijing, Dept Mat Sci & Engn, Beijing 100083, Peoples R China

[2] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Sch Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2015年 / 41卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Carbon spheres; Hollow silica spheres; Mesochannels; Surface area; MOLECULAR-SIEVES; MORPHOLOGICAL CONTROL; SPHERICAL SILICA; ADSORPTION; CHANNELS;

D O I：

10.1016/j.ceramint.2014.09.035

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hollow mesoporous silica spheres with radially aligned mesochannels were fabricated successfully by combining hard and soft templating methods. The microstructure, textural properties and the structure regulation approach of the hollow spheres were investigated. The results show that the hollow spheres are perfectly spherical, monodisperse, and present ordered mesochannels with pore size of similar to 2.20 nm, high specific surface area and high pore volume. The textural properties of the hollow mesoporous silica spheres can be tuned by adjusting the alkali-treatment process of the carbon spheres and the concentration of the inorganic source. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：1101 / 1106

页数：6

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