One-pot hydrothermal synthesis of mesoporous silica nanoparticles using formaldehyde as growth suppressant

被引：24

作者：

Gu, Lin ^{[1
]}

Zhang, Anfeng ^{[1
]}

Hou, Keke ^{[1
]}

Dai, Chengyi ^{[1
]}

Zhang, Shuguang ^{[2
]}

Liu, Min ^{[1
]}

Song, Chunshan ^{[1
,3
]}

Guo, Xinwen ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, PSU DUT Joint Ctr Energy Res, Sch Chem Engn, Dalian 116024, Peoples R China

[2] Dalian Univ, Coll Environm & Chem Engn, Dalian 116622, Peoples R China

[3] Penn State Univ, EMS Energy Inst, University Pk, PA 16802 USA

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2012年 / 152卷

关键词：

Mesoporous nanoparticles; Hydrothermal synthesis; Formaldehyde; Suppressed growth; COLLOIDAL SUSPENSIONS; CONTROLLED-RELEASE; MESOSTRUCTURED INTERIORS; SURFACTANT SYSTEM; PARTICLE-SIZE; SPHERES; MCM-41; FUNCTIONALIZATION; MONODISPERSE; MORPHOLOGY;

D O I：

10.1016/j.micromeso.2011.11.047

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

An effective one-pot hydrothermal synthesis method based on suppressed growth strategy was invented to produce mesoporous silica nanoparticles (MSNs). In a TEOS-CTAB-NH4OH-water-formaldehyde system, formaldehyde was used as suppressant which formed a polymer shell on the outer surface of the MSNs to control the particle size to about 30 nm. A nanoporous carbon framework was obtained when precursor was carbonized in N-2 followed by a HF leaching of the silica. The pore size of the carbon was about 30 nm. The mechanism for the synthesis process was described. (C) 2011 Elsevier Inc. All rights reserved.

引用

页码：9 / 15

页数：7

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