期刊
CATALYSIS COMMUNICATIONS
卷 89, 期 -, 页码 148-151出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2016.08.027
关键词
Graphene; Trimetallic nanoparticles; Peroxidase-like; TMB
资金
- Specialized Research Funds for the Doctoral Program of Higher Education of China [20120032110025, 20130032120017]
- National Natural Science Foundation of China [21506157]
- Foundation for the Author of National Excellent Doctoral Dissertation of the People's Republic of China [201251]
- Natural Science Foundation of Tianjin [14JCQNJC05800]
- Program of Introducing Talents of Discipline to Universities [B06006]
An efficient approach was developed to deposit trimetallic nanoparticles (Au-Pd-Fe3O4) with diameter of about 10 nm on graphene. The composites were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The results indicate that the nanoparticles are homogeneously dispersed on the surface of graphene. As compared with the bimetallic counterparts (Pd-Fe3O4/rGO, Au-Fe3O4/rGO), Au-Pd-Fe3O4/rGO retains highest enzyme mimicking activity. The as-obtained composites becomes efficient and recyclable catalyst for liquid-phase reaction owing to their stability and magnetic separation. (C) 2016 Published by Elsevier B.V.
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