首页> 外文期刊>Chemistry: A European journal >CeO_2-based pd(pt) nanoparticles grafted onto Fe _3O_4/graphene: A general self-assembly approach to fabricate highly efficient catalysts with magnetic recyclable capability
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CeO_2-based pd(pt) nanoparticles grafted onto Fe _3O_4/graphene: A general self-assembly approach to fabricate highly efficient catalysts with magnetic recyclable capability

机译:基于CeO_2的pd(pt)纳米颗粒接枝到Fe _3O_4 /石墨烯上:一种通用的自组装方法,可制备具有磁性可回收能力的高效催化剂

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摘要

New Pd(Pt) catalysts have been fabricated by assembling multicomponents of Fe_3O_4 and CeO_2/Pd(Pt) on the surface of reduced graphene oxide (RGO) nanosheets in layers. The as-obtained Pd(Pt) catalysts exhibit extremely high catalytic activity in the selective hydrogenation reaction of nitrobenzene. Owing to the presence of Fe3O4, the catalysts can be easily recycled from the catalytic system through magnetic separation. Their high activity, stability, and magnetic recyclability make the as-obtained hybrids very promising as catalysts in catalytic applications. Compared to other traditional multishell magnetic catalysts that were prepared by means of layer-by-layer technology, our process is much more facile and more easily controlled.
机译:通过将Fe_3O_4和CeO_2 / Pd(Pt)的多组分组装在多层还原氧化石墨烯(RGO)纳米片的表面上,可以制备出新的Pd(Pt)催化剂。所获得的Pd(Pt)催化剂在硝基苯的选择性加氢反应中表现出极高的催化活性。由于存在Fe 3 O 4,可以通过磁分离容易地将催化剂从催化体系中再循环。它们的高活性,稳定性和磁可循环性使所获得的杂化物在催化剂应用中非常有希望成为催化剂。与通过层层技术制备的其他传统多壳磁性催化剂相比,我们的方法更加简便易行。

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