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李灿院士在Chem.Comm上的feature artical
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Title：Chiral catalysis in nanopores of mesoporous materials Authors：Can Li, Huidong Zhang, Dongmei Jiang and Qihua Yang Abstract：This article reviews the recent progress made in asymmetric catalysis in the nanopores of mesoporous materials and periodic mesoporous organosilicas (PMOs). Some examples of chiral catalysts within the nanopores show improved catalytic performance compared to homogeneous catalysts. The factors including the confinement effect, the properties of the linkages and the microenvironment in nanopores, which affect the activity and enantioselectivity of asymmetric catalysis in nanopores, are discussed. [ Last edited by daiqiguang on 2007-5-8 at 15:46 ] |
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赵东元在Chem.Comm.的feature artical(转）
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itle: Designed synthesis of mesoporous solids via nonionic-surfactant-templating approach Authors:Ying Wan,Yifeng Shia and Dongyuan Zhao Abstract:The continual needs for improved performances in applications derived by diversified compositions and mesostructures have pushed forward the development of mesoporous solids.The nonionic-surfactant-templating approach has been a critical route in this advancement. A large number of nonionic surfactants widely used in industries and featured with low cost, low toxicity, bio-degradation and ordered microdomains can be utilized as effective templates to the design and synthesis of abundant mesoporous solids. This feature article provides recent reports on the use of nonionic surfactant self-assembly as examples to fabricate high-quality ordered mesoporous solids which illustrates advances in synthesis and understanding of formation mechanisms. It includes the selection of surfactants, a summary of the effects of synthetic parameters, the current understanding of the synthetic pathways and related mechanisms with some emphasis on evaporation induced self-assembly (EISA), as well as the design and synthesis on the microscale (atomic and molecular compositions) and mesoscale (mesostructures). Preliminary applications of mesoporous solids particularly in optical devices, electrodes and biomaterials are also presented. Designed synthesis of mesoporous solids via nonionic-surfactant-templating approach Ying Wan; Yifeng Shi; Dongyuan Zhao; Chemical Communications； 1359-7345； 20070220; 卷9期 ； 897-926页; 10.1039/b610570j 下载地址： http://vistadai.gbaopan.com/files/af5846e8dfa043d8b21157b827c1000f.gbp [ Last edited by daiqiguang on 2007-4-28 at 20:04 ] |
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