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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)
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2009-02-19
DOI10.1021/jp809427t
Volume113Issue:7Pages:2855-2860
Indexed BySCI
SubtypeArticle
Department2
Funding Project204
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordMOLECULAR-SIEVES ; SELECTIVE OXIDATION ; LIQUID-PHASE ; HYDROCARBONS ; OXYGEN ; MCM-41 ; ROUTE ; AIR ; HMS
AbstractAccording 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.
Language英语
URL查看原文
WOS IDWOS:000263299600029
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/102495
Collection中国科学院大连化学物理研究所
Corresponding AuthorXu J(徐杰)
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
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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