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Abstract:
以三氯甲烷为溶剂,氨丙基三甲氧基硅烷(APTMS)为修饰剂通过后接枝法对周期性介孔氧化硅材料(PMOS)进行修饰.通过固态NMR,氮气吸附、元素分析和UV-vis吸光度测试等手段来表征材料.结果表明,氨丙基基团通过共价连接的方式成功修饰到PMOs材料.尽管随着APTMS修饰量的增加,比表面积、孔容和孔径都呈下降趋势,但经25%APTMS修饰的PMOs材料依然具有良好的介孔结构,其表面积为604m2·g-1,孔容为0.62cm3·g-1,孔径狭窄分布在4.5~5.0nm之间.修饰后的PMOs对氯金酸有明显的吸附作用.
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无机材料学报
ISSN: 1000-324X
Year: 2008
Issue: 2
Volume: 23
Page: 408-412
1 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:3
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 16
Chinese Cited Count:
30 Days PV: 0
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