Palladium was supported on superparamagnetic nanoparticles: A magnetically recoverable catalyst for Heck reaction

被引：34

作者：

Zhang, Fengwei ^{[1
]}

Niu, Jianrui ^{[1
]}

Wang, Haibo ^{[1
]}

Yang, Honglei ^{[1
]}

Jin, Jun ^{[1
]}

Liu, Na ^{[1
]}

Zhang, Yubin ^{[1
]}

Li, Rong ^{[1
]}

Ma, Jiantai ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 02期

关键词：

Magnetic materials; Chemical synthesis; X-ray diffraction; Catalytic properties; COUPLING REACTIONS; PD; SUZUKI; HYDROGENATION; NANOCATALYSTS; COMPLEXES; NIFE2O4; ART;

D O I：

10.1016/j.materresbull.2011.10.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel and high-performance palladium-based catalyst for Heck reaction was prepared easily by the co-precipitation method. The catalyst was characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD), vibrating sample magnetometry (VSM), X-ray photoelectron spectroscopy (XPS) and atomic absorption spectrophotometry (AAS). The catalyst afforded a fast conversion of the 4-bromonitrobenzene to 4-nitrostilbene at a catalyst loading of 5 mol%, and the efficiency of the catalyst remains unaltered even after 6 repeated cycles. The excellent catalytic performance of the Pd/Fe3O4 catalyst might be attributed to the enhanced synergistic effect between Pd nanoparticles and magnetite. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：504 / 507

页数：4

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