控制MIL-100(Fe)在银纳米线表面的晶体生长以优化催化性能。
Controlling crystal growth of MIL-100(Fe) on Ag nanowire surface for optimizing catalytic performance.
作者信息
Chen Xi, Zhang Yanshuang, Kong Xiangyun, Guo Zanru, Xu Wenyuan, Fang Zhili, Wang Shaohui, Liu Lingzhi, Liu Yongxin, Zhang Jiali
机构信息
School of Materials Science and Engineering, East China Jiaotong University Shuanggang Road 808 Nanchang 330013 People's Republic of China
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Renmin Street 5625 Changchun 130022 People's Republic of China.
出版信息
RSC Adv. 2020 Jul 2;10(42):25260-25265. doi: 10.1039/d0ra04211k. eCollection 2020 Jun 29.
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 N 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.
通过控制MIL-100(Fe)在银纳米线表面的晶体生长，制备了具有可控厚度的MIL-100(Fe)鞘层的Ag/MIL-100(Fe)核壳纳米线。通过透射电子显微镜（TEM）、扫描电子显微镜（SEM）、粉末X射线衍射（XRD）、热重分析（TGA）、X射线光电子能谱（XPS）、傅里叶变换红外光谱（FT-IR）和N吸附-脱附分析对MIL-100(Fe)鞘层的演变进行监测，结果表明，MIL-100(Fe)鞘层的厚度随着MIL-100(Fe)在银纳米线表面晶体生长循环次数的增加而增加。对Ag/MIL-100(Fe)核壳纳米线的催化反应表明，MIL-100(Fe)鞘层的厚度在很大程度上影响催化性能，控制MIL-100(Fe)在银纳米线表面的晶体生长对于优化催化性能非常重要。
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