Fabrication and structural analysis of three-dimensionally well-ordered arrangements of silicon oxycarbide microparticles

被引：41

作者：

Guan, Guoqing ^{[1
]}

Kusakabe, Katsuki ^{[1
]}

Ozono, Haruka ^{[1
,2
]}

Taneda, Masatsup ^{[1
]}

Uehara, Masato ^{[2
]}

Maeda, Hidealu ^{[2
]}

机构：

[1] Fukuoka Womens Univ, Dept Living Environm Sci, Higashi Ku, Fukuoka 8138529, Japan

[2] Natl Inst Adv Ind Sci & Technol, Nanotechnol Res Inst, Saga 8410052, Japan

来源：

CHEMICAL ENGINEERING JOURNAL | 2008年 / 135卷 / 03期

基金：

日本学术振兴会;

关键词：

opals; inverse opals; microparticles; microparticle assembly; silicon oxycarbide; macropores; nanopores;

D O I：

10.1016/j.cej.2007.04.028

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A three-dimensionally (3D) well-ordered assembly composed of silicon oxycarbide (SiOxCy) microparticles was fabricated by an infiltration process using SiO2 inverse opal structures as molds. Polycarbosilane was used as the precursor for the SiOxCy synthesis. The effect of the viscosity of polycarbosilane solution on the morphology of the fabricated SiOxCy microparticles, and their assemblies was investigated. The ideal viscosity for the infiltration process was found to be approximately 2.0 mpa s. The structures of the SiOxCy microparticles obtained and their assemblies were analyzed by SEM, XRD, Fr-IR, and N-2 adsorption. Each SiOxCy microparticle was bonded to neighboring microparticles by bridge formation, which could enhance the mechanical strength of the prepared SiOxCy microparticle assembly. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：232 / 237

页数：6

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