作者
Piyali Bhanja, Arindam Modak, Sauvik Chatterjee, Asim Bhaumik
发表日期
2017/3/6
期刊
ACS Sustainable Chemistry & Engineering
卷号
5
期号
3
页码范围
2763-2773
出版商
American Chemical Society
简介
Bifunctional porous nanomaterials are very demanding in the context of heterogeneous catalysis. A highly ordered 2D-hexagonal bifunctionalized mesoporous SBA-15 type material MPBOS (mesoporous bifunctionalized organosilica) has been synthesized via a post synthetic route. The surface of the SBA-15 has been functionalized with (3-chloropropyl)triethoxysilane to obtain MPCOS (mesoporous chloro-substituted organosilica) material, which undergoes an SN2 substitution reaction of the surface a grafted chloro group with the amine group of organic ligand 5-aminoisophthalic acid, in the presence of potassium carbonate under refluxing conditions, offering the bifunctional material MPBOS. The bifunctionalized material with exceptionally high Brunauer–Emmett–Teller (BET) surface area of 652 m2 g–1 and average pore diameter of 9.4 nm has been characterized thoroughly with powder X-ray diffraction …
引用总数
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