The polyporous carbon supported tungsten carbide(polyporous C@WC_(1-x)) composite was prepared using hexagonal silica MCM-41 as the hard template by raw material solution impregnation,mechanical milling and simult...The polyporous carbon supported tungsten carbide(polyporous C@WC_(1-x)) composite was prepared using hexagonal silica MCM-41 as the hard template by raw material solution impregnation,mechanical milling and simultaneous reduction and carbonization by temperature programming in mixture gas(CH4/H2).The structure and morphology of polyporous C@WC(1-x) composite were studied via X-ray diffraction,transmission electron microscopy and so on.The electrocatalytic property was tested for the electroreduction of p-nitrophenol(PNP) in neutral media.Results revealed that the composite is consisted of polyporous carbon and nanocrystalline WC(1-x),possessing good electrocatalytic activity in the reaction of PNP reduction.展开更多
基金supported by the National Natural Science Foundation of China(No.20973156)
文摘The polyporous carbon supported tungsten carbide(polyporous C@WC_(1-x)) composite was prepared using hexagonal silica MCM-41 as the hard template by raw material solution impregnation,mechanical milling and simultaneous reduction and carbonization by temperature programming in mixture gas(CH4/H2).The structure and morphology of polyporous C@WC(1-x) composite were studied via X-ray diffraction,transmission electron microscopy and so on.The electrocatalytic property was tested for the electroreduction of p-nitrophenol(PNP) in neutral media.Results revealed that the composite is consisted of polyporous carbon and nanocrystalline WC(1-x),possessing good electrocatalytic activity in the reaction of PNP reduction.