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Direct Synthesis of Bifunctionalized Hexagonal Mesoporous Silicas and Its Catalytic Performance for Aerobic Oxidation of Cyclohexane
Chen, Chen; Xu, Jie; Zhang, Qiaohong; Ma, Hong; Miao, Hong; Zhou, Lipeng; Xu J(徐杰)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2009-02-19
DOI10.1021/jp809427t
113期:7页:2855-2860
收录类别SCI
文章类型Article
部门归属2
项目归属204
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]MOLECULAR-SIEVES ; SELECTIVE OXIDATION ; LIQUID-PHASE ; HYDROCARBONS ; OXYGEN ; MCM-41 ; ROUTE ; AIR ; HMS
英文摘要According to the characteristics of the cyclohexane oxidation reaction a series of bifunctionalized hexagonal mesoporous silicas, CoPh-HMS, were designed and successfully synthesized by a one-step co-condensation route. The results of small-angle XRD, TEM, and N(2) adsorption-desorption measurements showed that the resultant materials had well-ordered mesoscopic structures. Co(2+) ions were incorporated into the frameworks in tetrahedral coordination along with phenyl groups immobilized on the surface, confirmed by a careful spectroscopic (FT-IR, UV-visible, and (29)Si MAS NMR) study. The surfaces of the materials were proved to be more hydrophobic with higher Ph loading, and the largest water droplet contact angle is tip to 110.50 degrees. These materials were applied in the liquid-phase oxidation of cyclohexane with molecular oxygen as oxidant and tert-butyl hydroperoxide as initiator Linder solvent-free conditions. High activity could be obtained with these bifunctionalized catalysts being used. The modification effect of phenyl groups played an important role in the activity enhancement.
语种英语
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WOS记录号WOS:000263299600029
引用统计
被引频次:35[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/321008/102495
专题中国科学院大连化学物理研究所
通讯作者Xu J(徐杰)
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
Chen, Chen,Xu, Jie,Zhang, Qiaohong,et al. Direct Synthesis of Bifunctionalized Hexagonal Mesoporous Silicas and Its Catalytic Performance for Aerobic Oxidation of Cyclohexane[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(7):2855-2860.
APA Chen, Chen.,Xu, Jie.,Zhang, Qiaohong.,Ma, Hong.,Miao, Hong.,...&徐杰.(2009).Direct Synthesis of Bifunctionalized Hexagonal Mesoporous Silicas and Its Catalytic Performance for Aerobic Oxidation of Cyclohexane.JOURNAL OF PHYSICAL CHEMISTRY C,113(7),2855-2860.
MLA Chen, Chen,et al."Direct Synthesis of Bifunctionalized Hexagonal Mesoporous Silicas and Its Catalytic Performance for Aerobic Oxidation of Cyclohexane".JOURNAL OF PHYSICAL CHEMISTRY C 113.7(2009):2855-2860.
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