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树状大分子封装金属纳米粒子的催化作用

Catalysis of dendrimer-encapsulated metal nanoparticles
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摘要 树状大分子封装金属纳米粒子是一种新型的有机 /无机杂化纳米材料 ,由树状大分子内螯合金属离子通过还原产生相应的零价金属纳米粒子的方法制备。综述了树状大分子封装金属纳米粒子的催化作用及研究进展 ,讨论了在水、有机溶剂、氟 /有机两相溶剂和超临界CO2 中 ,树状大分子封装催化剂 (DECs)对氢化反应和碳 碳偶合反应的催化作用。最后对树状大分子封装金属纳米粒子的应用进行了展望。 Dendrimer-encapsulated metal nanoparticles are a new type of organic/inorganic hybrid materials prepared by sequestering metal ions within dendrimers followed by chemical reduction to yield the corresponding zerovalent metal nanoparticles.Catalysis and research progress of dendrimer-encapsulated metal nanoparticles are summarized.Dendrimer-encapsulated catalysts(DECs) applied to intradendrimer hydrogenation and carbon-carbon coupling reaction in water,organic solvents,biphasic fluorous/organic solvents,and supercritical CO 2 are discussed.The application of dendrimer- encapsulated metal nanoparticles is also previewed.
出处 《现代化工》 CAS CSCD 北大核心 2002年第10期10-13,共4页 Modern Chemical Industry
基金 国家自然科学基金资助项目 (2 98740 2 0 595730 4 9)
关键词 树状大分子封装 金属纳米粒子 催化作用 催化剂 氢化反应 碳-碳偶合反应 dendrimer-encapsulated catalysts(DECs) hydrogenation carbon-carbon coupling reaction
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