聚合物负载金属纳米粒子型核壳结构催化剂的研究

Research on the Catalysts of Polymer Supported Metal Nanoparticles with Core-Shell Structure

核壳结构聚合物负载型催化剂因其载体材料独特的结构、形貌和性质而具有优异的催化活性,成为了催化化学领域研究的热点。本文综述了聚合物负载金属纳米粒子型核壳结构催化剂,包括球形聚合物刷负载金属纳米粒子、聚合物中空微球负载金属纳米粒子、聚合物实心微球表面包覆金属纳米粒子等类型催化剂的制备及其相应的催化性能,强调了各类载体的组成和结构特点对催化活性及其稳定性的影响。最后总结了该类催化材料的优势和不足,并对其性能和应用进行了展望。

Polymer-supported catalysts with core-shell structure have attracted great attention in the area of catalytic chemistry because of the unique structure, morphology and properties of the supporting materials. This article reviews the preparation and corresponding catalytic performance of the catalysts of polymer supported metal nanoparticles with core-shell structure, which comprise spherical polymer brushes supported metal nanoparticles, polymer hollow microspheres loaded with metal nanoparticles, polymer solid microspheres coating with metal nanoparticles. The influence of the composition and the structure characteristics of support materials on the catalytic activity and stability of the catalysts are illustrated. Finally the advantages and short-comings of such catalytic materials are summarized, in addition, the prospect of performance and applications are also forecasted.