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题名: Super-microporous organosilicas synthesized from well-defined nanobuilding units
作者: Zhang, Lei1;  Yang, Qihua1;  Yang, Hengquan1;  Liu, Jian1;  Xin, Hongchuan1;  Mezari, Brahim2;  Magusin, Pieter C. M. M.2;  Abbenhuis, Hendrikus C. L.2;  van Santen, Rutger A.2;  Li, Can1
通讯作者: 杨启华 ;  李灿
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2008
DOI: 10.1039/b715031h
卷: 18, 期:4, 页:450-457
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 506,503
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: Super-microporous organosilica with bridging ethylene and pendant vinyl groups has been synthesized by assembling predefined nanobuilding block polyhedral oligomeric silsesquioxanes (POSS) with nonionic surfactant Brij-76 as the template. The material shows wormhole-like super-micropores with uniform size of 1.9 nm, high BET surface area of 872 m(2) g(-1) and pore volume of 0.52 cm(3) g(-1). IR and NMR results show that the bridging ethylene, the pendant vinyl groups and the double-4-membered ring structure were successfully transferred from the building blocks to the super-microporous organosilica material. The material shows high hydrothermal stability and can further react with Br-2. The advantage of the present approach lies in that the relative contents and proximity of the different organic functionalities in the final material can be well controlled through the starting nanobuilding blocks.
关键词[WOS]: PERIODIC MESOPOROUS ORGANOSILICAS ;  INORGANIC NANOCOMPOSITE MATERIALS ;  MOLECULAR-SCALE PERIODICITY ;  HYDROTHERMAL STABILITY ;  SURFACTANT MESOPHASES ;  NANOPOROUS MATERIALS ;  HYBRID MATERIALS ;  SILICA SPHERES ;  ORGANIC GROUPS ;  ALUMINOSILICATE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000252232700011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100157
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.Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands

Recommended Citation:
Zhang, Lei,Yang, Qihua,Yang, Hengquan,et al. Super-microporous organosilicas synthesized from well-defined nanobuilding units[J]. JOURNAL OF MATERIALS CHEMISTRY,2008,18(4):450-457.
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