Well-ordered cubic mesoporous carbon with Im3m symmetry

被引：0
作者：
Guo, WP [1 ]
Zhao, XS [1 ]
机构：
[1] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 119260, Singapore
来源：
NANOPOROUS MATERIALS IV | 2005年 / 156卷
关键词：
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Well-ordered three-dimensional (313) Im3m-type mesostructured carbon with a cavity size of 4.59 nm has been synthesized using mesoporous SBA-16 silica having a cavity size of 7.91 nm as a hard template, and characterized by means of SAXS, nitrogen adsorption, TGA and TEM techniques. Characterization data indicated that the mesostructured carbon was truly negative replica of mesoporous SBA-16 silica. The carbon replica had a BET surface area of 994 m(2) g(-1) and a pore volume of 0.72 cm(3) g(-1). It was identified that surfactant removal methods played an important role in the formation of carbon mesostructures: solvent-extracted SBA-16 produced well-ordered mesoporous carbon materials while calcined SBA-16 gave poorly ordered carbons.
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页码：551 / 556
页数：6
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