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纳微界面/空间调控催化反应

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固体颗粒稳定的Pickering乳液不仅具有高的动力学稳定性,而且其所创造的纳微界面和纳微空间直接影响到催化反应过程,为发展高效绿色的两相催化反应提供了变革性机会.其核心科学问题可归结为纳微界面/空间构建、纳微界面/空间反应区域控制与反应性能调控,并建立三者之间联系.因此,本文系统阐述了固体催化剂界面活性与催化反应性能的关联,重点分析了纳微界面/空间区域调控对催化反应性能的影响,总结并讨论了基于纳微界面/空间提出的Pickering乳滴固定床连续流动催化概念及其催化应用.最后,对纳微界面/空间调控催化反应所面临的挑战和科学机遇进行了展望.
Nano-/micro-interface or space-modulated catalytic reactions
The solid particle-stabilized Pickering emulsion not only exhibits high kinetic stability;but also creates the nano-/micro-interfaces or spaces that directly affect the catalytic reaction process;providing a transformative opportunity for the development of efficient green two-phase catalytic reactions.However;the current understanding of the key scientific problems is required to be solved in the field of catalysis;such as nano-/micro-interface or space construction;nano-/micro-interface or space reaction region control and reaction performance regulation;and the relationship between the three.Therefore;this paper presents a systematic description of the correlation between interfacial activity and catalytic performance of solid catalysts;focuses on analyzing the influence of nano-/micro-interface or space regulation on catalytic performance;summarizes and discusses the concept of Pickering emulsion droplet immobilization based on the nano-/micro-interfaces or spaces of bed continuous flow catalysis and its catalytic applications.Finally;the challenges and scientific opportunities for nano-/micro-interface/space-controlled catalytic reactions are discussed.

biphasic catalysisPickering emulsionsnano-/micro-interfacesnano-/micro-spacesregulation of catalytic reactions

张明、李世叶、杨恒权

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山西大学化学化工学院,太原 030006

两相催化 Pickering乳液 纳微界面 纳微空间 催化反应调控

国家自然科学基金国家自然科学基金国家自然科学基金国家重点研发计划

2233200221925203219020932021YFC2101900

2024

中国科学(化学)
中国科学院

中国科学(化学)

CSTPCD北大核心
影响因子:0.685
ISSN:1674-7224
年,卷(期):2024.(1)
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