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Phase transformation of the periodic mesoporous organosilicas assisted by organotrialkoxysilane
Zhu, Guiru; Yang, Qihua; Zhong, Hua; Jiang, Dongmei; Li, Can; Yang QH(杨启华); Li C(李灿); Yang QH(杨启华); Li C(李灿)
刊名JOURNAL OF PHYSICAL CHEMISTRY B
2007-07-19
DOI10.1021/jp071913j
111期:28页:8027-8033
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
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]PERFORMANCE LIQUID-CHROMATOGRAPHY ; CHANNEL WALLS ; SILICA SPHERES ; ORGANIC GROUPS ; SURFACTANT ; FRAMEWORK ; PMOS ; TRANS-(1R,2R)-DIAMINOCYCLOHEXANE ; MESOPHASE ; SYMMETRY
英文摘要A phase transformation of mesoporous organosilicas from 2D-hexagonal P6mm to cubic Pm3n phase can be induced by the organotrialkoxysilane with hydrophilic pendant group with the aid of methanol during the co-condensation of 1,2-bis(trimethoxysilyl)ethane (BTME) and (EtO)(3)Si-R (R = L-prolinamide, trans-(1R,2R)-diaminocyclohexane, and gamma-aminopropyl) using the cationic surfactant, octadecyltrimethylammonium chloride (C(18)TMACl), as template in basic medium. Under similar synthesis conditions, no cubic Pm3n phase could be formed in the absence of (EtO)(3)Si-R. Depending on the type of the pendant group, different amounts of methanol were needed for the formation of the cubic Pm3n phase. N-[(triethoxysilyl)propyl]-L-prolinamide (M(L-Pro)) could easily induce the phase changing from 2D-hexagonal P6mm to cubic Pm3n phase probably because L-proline could result in a decreasing of the surfactant packing factor (g) through formation of large architecture on the outer boundary of the surfactant micelles. The organotrialkoxysilane can also help the formation of spherical morphology of the resultant materials.
语种英语
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WOS记录号WOS:000247966300016
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/98835
专题中国科学院大连化学物理研究所
通讯作者Yang QH(杨启华); Li C(李灿); Yang QH(杨启华); Li C(李灿)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Zhu, Guiru,Yang, Qihua,Zhong, Hua,et al. Phase transformation of the periodic mesoporous organosilicas assisted by organotrialkoxysilane[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2007,111(28):8027-8033.
APA Zhu, Guiru.,Yang, Qihua.,Zhong, Hua.,Jiang, Dongmei.,Li, Can.,...&李灿.(2007).Phase transformation of the periodic mesoporous organosilicas assisted by organotrialkoxysilane.JOURNAL OF PHYSICAL CHEMISTRY B,111(28),8027-8033.
MLA Zhu, Guiru,et al."Phase transformation of the periodic mesoporous organosilicas assisted by organotrialkoxysilane".JOURNAL OF PHYSICAL CHEMISTRY B 111.28(2007):8027-8033.
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