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题名: Highly ordered periodic mesoporous ethanesilica synthesized under neutral conditions
作者: Zhang, L;  Yang, QH;  Zhang, WH;  Li, Y;  Yang, J;  Jiang, DM;  Zhu, GR;  Li, C
通讯作者: 杨启华 ;  李灿
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2005
DOI: 10.1039/b504030b
卷: 15, 期:26, 页:2562-2568
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: Highly ordered mesoporous ethanesilica (MES) with 2D hexagonal structure was synthesized from 1,2-bis(trimethoxysilyl) ethane under neutral conditions for the first time. Divalent salts, such as NiCl2, MgCl2, ZnCl2, ZnSO4 and Zn(NO3)(2), were used to help the formation of the ordered mesostructure. The MES samples were characterized by powder X-ray diffraction, nitrogen sorption, transmission electron microscopy, FT-IR, C-13 and Si-29 solid-state NMR and thermal gravimetric analysis. A phase transition from a disordered wormhole-like structure to an ordered P6mm structure was observed upon the addition of inorganic salts. The pore size of the MES decreases from 4.7 to 3.9 nm with increasing content of the inorganic salts. Fluoride was also found to be important for the formation of ordered MES under neutral conditions.
关键词[WOS]: NONIONIC BLOCK-COPOLYMERS ;  TRANSITION-METAL IONS ;  LARGE-PORE ;  MOLECULAR-SIEVES ;  CHANNEL WALLS ;  CATALYTIC-ACTIVITY ;  INORGANIC SALTS ;  ORGANIC GROUPS ;  ORGANOSILICAS ;  SURFACTANT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000230286900005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92499
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

Recommended Citation:
Zhang, L,Yang, QH,Zhang, WH,et al. Highly ordered periodic mesoporous ethanesilica synthesized under neutral conditions[J]. JOURNAL OF MATERIALS CHEMISTRY,2005,15(26):2562-2568.
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