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Controlling crystal growth of MIL-100(Fe) on Ag nanowire surface for optimizing catalytic performance
Xi Chen1, Yanshuang Zhang1, Xiangyun Kong1
1School of Materials Science and Engineering, East China Jiaotong University Shuanggang Road 808 Nanchang 330013 People's Republic of China chenxi731@foxmail.com liuyx629@foxmail.com zhangjiajiali@163.com.
Abstract:
Ag/MIL-100(Fe) core/sheath nanowire with controllable thickness of the MIL-100(Fe) sheath was prepared by controlling the crystal growth of MIL-100(Fe) on the Ag nanowire surface. The evolution of the MIL-100(Fe) sheath monitored by transmission electron microscopy (TEM), scanning electron microscopy (SEM), powder X-ray diffraction (XRD), thermogravimetric analyses (TGA), X-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FT-IR), and N2 adsorption-desorption analysis indicates that the thickness of the MIL-100(Fe) sheath increases with the increasing number of crystal growth cycles of MIL-100(Fe) on the Ag nanowire surface. Catalytic reaction over Ag/MIL-100(Fe) core/sheath nanowire suggests that the thickness of the MIL-100(Fe) sheath largely influences the catalytic performance and it is quite important to control the crystal growth of MIL-100(Fe) on the Ag nanowire surface for optimizing catalytic performance.
