Swift Synthesis of Hierarchically Ordered Mesocellular Mesoporous Silica by Microwave-Assisted Hydrothermal Method

被引：3

作者：

Seo, You-Kyong ^{[1
,3
]}

Suryanarayana, I. ^{[1
]}

Hwang, Young Kyu ^{[1
]}

Shin, Namsoo ^{[2
]}

Ahn, Do-Cheon ^{[2
]}

Jun, Chul-Ho ^{[3
]}

Chang, Jong-San ^{[1
]}

机构：

[1] Korea Res Inst Chem Technol, Res Ctr Nanocatalysts, Taejon 305600, South Korea

[2] POSTECH, Pohang Accelerator Lab, Xray Operat Grp, Beamline Div, Pohang, South Korea

[3] Yonsei Univ, Dept Chem, Ctr Bioact Mol Hybrid, Seoul 120749, South Korea

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2008年 / 8卷 / 08期

关键词：

HMMS; MCF Mesocellular; Self-Assembly; Microwaves;

D O I：

10.1166/jnn.2008.451

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hierarchically ordered mesocellular mesoporous silicas (HMMS) were swiftly synthesized using P123 and sodium silicate as a silica source within an hour by applying microwave irradiation without pore expander. The XRD, TEM and BET studies demonstrated that materials as-synthesized and calcined have the hierarchically ordered mesocellular structure with two different sizes about 10 nm and 30 nm pores having a minimized micropore volume compared with conventional hydrothermal method. Moreover, the HMMS sample prepared by microwave-assisted hydrothermal method had higher surface area than that of conventional hydrothermal method. The variation of the pore size and morphology of mesocellular structure varied with the aging time.

引用

页码：3995 / 3998

页数：4

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