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Targeted synthesis of zeolites from calculated interaction between zeolite structure and organic template

National Science Review 2022年第9期9卷 67-78页

作者： Qinming Wu Huimin Luan Feng-Shou Xiao Key Lab of biomass Chemical Engineering of Ministry of Education College of Chemical and Biological Engineering Zhejiang University Key Lab of Applied Chemistry of Zhejiang Province Department of Chemistry Zhejiang University

Zeolites,a class of silica-based porous materials,have been widely employed in the chemical industry for uses such as sorption,separation,catalysis and ion ***,the synthesis of zeolites is performed in the presence of organic templates via a trial-and-error route,which is labor-intensive and *** recent years,theoretical simulation from the interaction between a zeolite structure and an organic template has been used to guide the synthesis of zeolites,which is *** this review,recent progress in the targeted synthesis of zeolites from interaction between a zeolite structure and an organic template are briefly outlined including the design of new templates for zeolite synthesis,preparation of zeolites with new composition,development of novel routes for zeolite synthesis,synthesis of intergrowth zeolites,generation of novel zeolite structures,control of zeolite morphology and modulation of aluminum distribution in *** targeted syntheses reveal that the minimum energy principle from the theoretical simulation is key for guiding zeolite *** review will be important for zeolite researchers for rationally synthesizing zeolites and effectively designing new zeolite structures.

关键词： zeolite organic template targeted synthesis interaction energy theoretical simulation

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New routes for the construction of strong metal-support interactions

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Science China Chemistry 2022年第11期65卷 2051-2057页

作者： Hai Wang Liang Wang Feng-Shou Xiao Key Lab of biomass Chemical Engineering of Ministry of Education College of Chemical and Biological EngineeringZhejiang UniversityHangzhou310027China College of Chemistry Zhengzhou UniversityZhengzhou 450001China

Supported metal nanoparticles(NPs)on solid carriers are highly efficient catalysts in many industrial ***,the sintering and/or leaching of metal NPs occurred under harsh reaction conditions that caused the catalyst *** metal-support interactions(SMSIs)serve as an effective method to stabilize the metal NPs against sintering and leaching,which have been extensively *** addition to the classical route to construct SMSIs via high-temperature reduction treatments,new routes have emerged recently to extend the scope of catalysts with SMSIs and optimized their catalytic *** this review,we briefly summarize these routes that avoid the high-temperature reduction treatments for the construction of *** significant advantages in stabilizing metal NPs,modulating the geometric/electronic structure of metal species,and the mechanism on the SMSI formation are particularly ***,the current challenges and developing trends in the construction of SMSIs for achieving more efficient catalysts are outlooked.

关键词： strong metal-support interaction supported catalyst metal nanoparticles heterogeneous catalysis

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Physical regulation of copper catalyst with a hydrophobic promoter for enhancing CO_(2)hydrogenation to methanol

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The Innovation 2023年第4期4卷 67-73页

作者： Hangjie Li Wei Fang Ling-Xiang Wang Yifeng Liu Lujie Liu Tulai Sun Ciqi Liao Yihan Zhu Liang Wang Feng-Shou Xiao Key Lab of biomass Chemical Engineering of Ministry of Education College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310028China Key Laboratory of Applied Chemistry of Zhejiang Province Department of ChemistryZhejiang UniversityHangzhou 310028China Center for Electron Microscopy State Key Laboratory Breeding Base of Green Chemistry Synthesis TechnologyCollege of Chemical EngineeringZhejiang University of TechnologyHangzhou 310014China

The hydrogenation of CO_(2)to methanol,which is restricted by water products,requires a selective removal of water from the reaction ***,we show that physically combining hydrophobic polydivinylbenzene with a copper catalyst supported by silica can increase methanol production and CO_(2)*** investigation reveals that the hydrophobic promoter could hinder the oxidation of copper surface by water,maintaining a small fraction of metallic copper species on the copper surface with abundant Cu^(δ+),resulting in high activity for the *** a physically mixed catalyst survives the continuous test for 100 h owing to the thermal stability of the polydivinylbenzene promoter.

关键词： copper methanol hydrogenation

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