Facile synthesis of diamine-functionalized hollow mesoporous silica sphere with self-templating method

被引：8
作者：
Yuan, Ning [1 ,2 ]
Sun, Ya-Nan [2 ]
Liu, Zhi-Wei [2 ]
Han, Bao-Hang [2 ]
机构：
[1] China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
[2] Natl Ctr Nanosci & Technol, CAS Ctr Excellence Nanosci, CAS Key Lab Nanosyst & Hierarch Fabricat, Beijing 100190, Peoples R China
来源：
JOURNAL OF POROUS MATERIALS | 2018年 / 25卷 / 06期
基金：
美国国家科学基金会;
关键词：
Hollow structure; Mesoporous silica; Self-templating; Carbon dioxide adsorption; CO2 CAPTURE TECHNOLOGY; NANOSTRUCTURES; ADSORPTION; NANOPARTICLES; NANOSPHERES; ADSORBENTS; POLYMERS; SHELL; GAS;
D O I：
10.1007/s10934-018-0585-4
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A new N-[3-(trimethoxysilyl)propyl]ethylenediamine-functionalized hollow mesoporous silica sphere (DA-HMSS) was synthesized by a two-step self-templating method, including hydrolysis and co-condensation of tetraethyl orthosilicate and N-[3-(trimethoxysilyl)propyl]ethylenediamine in the presence of ammonia solution and hexadecyltrimethylammonium bromide, following with hydrothermal incubation in pure water after the removal of hexadecyltrimethylammonium bromide. The successful formation of silica framework and incorporation of organic component in DA-HMSS were confirmed by Fourier transform infrared and solid-state Si-29 cross-polarization/magic-angle-spinning nuclear magnetic resonance spectroscopic measurements as well as CHN elemental analysis. The hollow morphology of DA-HMSS was revealed by transmission electron microscopy, whereas its porosity was disclosed by nitrogen adsorption-desorption isotherm measurement. Furthermore, its carbon dioxide adsorption capability was also investigated.
引用
收藏
页码：1715 / 1721
页数：7
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