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题名: Hydrolysis controlled synthesis of amine-functionalized hollow ethane-silica nanospheres as adsorbents for CO2 capture
作者: Bai, Shiyang1, 2;  Liu, Jian1, 3;  Gao, Jinsuo1;  Yang, Qihua1;  Li, Can1
关键词: Amine-functionalized ;  Hollow nanospheres ;  Prehydrolysis ;  CO2 adsorption
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2012-03-15
DOI: 10.1016/j.micromeso.2011.09.014
卷: 151, 页:474-480
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: Bifunctionalized organosilica hollow nanospheres with bridging ethane group and protruding amine group have been successfully synthesized through prehydrolysis strategy using 3-(aminopropyl)triethoxysilane (APTES) and 1,2-bis(trimethoxysilyl)ethane (BTME) as precursor and F127 (EO106PO70EO106) as a single micelle template in a neutral medium. It was found that prehydrolysis of BTME could efficiently decrease the interruption of amine group on the assembly process and result in the formation of uniform hollow nanospheres with particle size in 15-18 nm. This general synthetic strategy has been extended to the preparation of functionalized hollow nanospheres with different functional groups, such as N-propyl-4,5-dihydroimidzole and di-propyl-amine group. These amine-functionalized hollow nanospheres are efficient adsorbents for CO2. The controlling experiments suggest that both the hollow structure and amine group are responsible for obtaining high CO2 adsorption capacity. (c) 2011 Elsevier Inc. All rights reserved.
关键词[WOS]: SBA-15 MESOPOROUS MATERIALS ;  CATALYTIC-ACTIVITY ;  SPHERES ;  ADSORPTION ;  SHELL ;  SURFACTANT ;  VESICLES ;  MCM-41 ;  IMMOBILIZATION ;  PARTICLES
语种: 英语
WOS记录号: WOS:000300747000061
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143112
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Univ Queensland, Australian Inst Bioengn & Nanotechnol, ARC Ctr Excellence Funct Nanomat, Brisbane, Qld 4072, Australia

Recommended Citation:
Bai, Shiyang,Liu, Jian,Gao, Jinsuo,et al. Hydrolysis controlled synthesis of amine-functionalized hollow ethane-silica nanospheres as adsorbents for CO2 capture[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2012,151:474-480.
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