Pore-size control in the sol-gel synthesis of mesoporous silicon carbide

A method to control the specific surface area and pore size of mesoporous SiC by employing different amounts of nickel nitrate in the sol-gel process is proposed. A series of SiC samples were synthesised employing different concentrations of nickel, and their morphologies were examined. The key part...

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Bibliographic Details
Published inJournal of materials science Vol. 40; no. 5; pp. 1301 - 1303
Main Authors GUO, Xiang-Yun, JIN, Guo-Qiang
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.03.2005
Springer Nature B.V
Subjects
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Porous materials
Silicon carbide
Sol-gel processes
Pore size
Transmission electron microscopy
Silicon Carbides
Sol gel process
Adsorption isotherm
Desorption isotherm
Nitrogen
Phenolic resin
X ray diffraction
Porous material
Mesoporosity
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Summary:A method to control the specific surface area and pore size of mesoporous SiC by employing different amounts of nickel nitrate in the sol-gel process is proposed. A series of SiC samples were synthesised employing different concentrations of nickel, and their morphologies were examined. The key part of the method is to aggregate the primary colloidal particles using a suitable amount of nickel nitrate. 21 refs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-005-6957-6