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学科主题: 物理化学
题名: Immobilization of Vanadyl Acetylacetonate on Amino Functionalized Hollow Silica Nanospheres and Its Catalytic Performance for Selective Oxidation of Thioanisole
作者: Wang Peng1, 2;  Bai Shiyang1, 2;  Li Bo1;  Yang Qihua1
通讯作者: 杨启华
关键词: amino functionalization ;  mesoporous silica ;  hollow nanosphere ;  vanadyl acetylacetonate ;  thioanisole ;  selective oxidation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2012-10-01
DOI: 10.3724/SP.J.1088.2012.20520
卷: 33, 期:10, 页:1689-1695
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 506
产权排名: 1,1
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Vanadyl acetylacetonate [VO(acac)(2)] was immobilized on amino functionalized mesoporous silica hollow nanospheres, as well as on amino functionalized SBA-15 (2D hexagonal mesostnicture) and SBA-16 (cage-like mesostructure). All the heterogeneous catalysts exhibited high selectivity for sulfoxide (over 99.0%) in the selective oxidation of thioanisole under mild reaction conditions. The vanadium nanospheres exhibited higher turnover frequency than the counterparts of SBA-15 and SBA-16, which is attributed to the fact that the small nanoparticles would facilitate the diffusion of the products and reactants, as well as the exposure of catalytic active sites. The catalysts could be reused several times with little loss of their activity and selectivity.
关键词[WOS]: MESOPOROUS SILICA ;  HYDROGEN-PEROXIDE ;  SULFOXIDES ;  SULFIDES ;  EPOXIDATION ;  COMPLEXES ;  COPOLYMER
语种: 英语
WOS记录号: WOS:000310037500011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117898
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, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Wang Peng,Bai Shiyang,Li Bo,et al. Immobilization of Vanadyl Acetylacetonate on Amino Functionalized Hollow Silica Nanospheres and Its Catalytic Performance for Selective Oxidation of Thioanisole[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(10):1689-1695.
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