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Magnetic Au-Ag-?-Fe?O?/rGO Nanocomposites as an Efficient Catalyst for the Reduction of 4-Nitrophenol.

ABSTRACT: In this paper, a facile route has been developed to prepare magnetic trimetallic Au-Ag-?-Fe?O?/rGO nanocomposites. The impact of the preparation method (the intensity of reductant) on the catalytic performance was investigated. The nanocomposites were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The prepared nanocomposites show fine catalytic activity towards the reduction reaction of 4-nitrophenol (4-NP). The nanocomposites also have superparamagnetism at room temperature, which can be easily separated from the reaction systems by applying an external magnetic field.

SUBMITTER: Lei G 

PROVIDER: S-EPMC6266811 | biostudies-other | 2018 Oct

REPOSITORIES: biostudies-other

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Magnetic Au-Ag-γ-Fe₂O₃/rGO Nanocomposites as an Efficient Catalyst for the Reduction of 4-Nitrophenol.

Lei Guangyu G   Ma Jingwen J   Li Zhen Z   Fan Xiaobin X   Peng Wenchao W   Zhang Guoliang G   Zhang Fengbao F   Li Yang Y  

Nanomaterials (Basel, Switzerland) 20181025 11

In this paper, a facile route has been developed to prepare magnetic trimetallic Au-Ag-γ-Fe₂O₃/rGO nanocomposites. The impact of the preparation method (the intensity of reductant) on the catalytic performance was investigated. The nanocomposites were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The prepared nanocomposites show fine catalytic activity towards the reduction reaction of 4-nitrophenol (4-NP). The nanoco  ...[more]

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