Synthesis and Particle Size Control of Spherical Mesoporous Silica Particles

Synthesis and Particle Size Control of Spherical Mesoporous Silica Particles

Spherical mesoporous silica particles were successfully prepared upon hydrolysis of tetraethylortosilicate (TEOS) in presence of dodecylamine (DDA) as on organic template. Comparison of the products obtained by a other method and synthesis conditions were also studied. The product obtained by HMS me...

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Veröffentlicht in:Journal of the Ceramic Society of Japan 2002/04/01, Vol.110(1280), pp.304-309
Hauptverfasser: SHIRATORI, Yuko, SAITO, Hiroyuki, HIGUCHI, Masashi, KATAYAMA, Keiichi, AZUMA, Yasuo
Format: Artikel
Sprache:eng ; jpn
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DDA template
HMS
Particle size
Pore mean diameter
Spherical mesoporous silica
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container_end_page 309
container_issue 1280
container_start_page 304
container_title Journal of the Ceramic Society of Japan
container_volume 110
creator SHIRATORI, Yuko
SAITO, Hiroyuki
HIGUCHI, Masashi
KATAYAMA, Keiichi
AZUMA, Yasuo
description Spherical mesoporous silica particles were successfully prepared upon hydrolysis of tetraethylortosilicate (TEOS) in presence of dodecylamine (DDA) as on organic template. Comparison of the products obtained by a other method and synthesis conditions were also studied. The product obtained by HMS method using DDA was more homogeneous and truly spherical as compared to that obtained by other method using dodecyltrimethylamonium bromide (DTAB) and cetyltrimethylammonium bromide (CTAB). The particle size could be modified by adjusting the molar ratio of DDA/TEOS and EtOH/TEOS of the solution, particle sizes ranging from 0.2 to 1.2μm. The surface area of spherical mesoporous silica particles 1.23μm in size was about 423m2/g, their density was 1.4g/cm3 and their pore mean diameter was 3.6nm.
doi_str_mv 10.2109/jcersj.110.304
format Article
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1882-1022
language eng ; jpn
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source J-STAGE; Free E-Journal (出版社公開部分のみ）
subjects DDA template
HMS
Particle size
Pore mean diameter
Spherical mesoporous silica
title Synthesis and Particle Size Control of Spherical Mesoporous Silica Particles
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