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    Superhydrophobic and superaerophilic hierarchical Pt@MIL-101/PVDF composite for hydrogen water isotope exchange reactions

    Year: 2019

    Journal: J. Hazard. Mater., Volume 380, DEC 15

    Authors: Fu, Xiaolong; Hou, Jingwei; Chen, Chao; Li, Jiamao; Yue, Lei; Chen, Xiaojun; Zhao, Linjie; Ran, Guangming; Xia, Xiulong; Gong, Yu; Ding, Wenjie; Xiao, Chengjian; Wang, Heyi

    Organizations: National Magnetic Confinement Fusion Science Program [2017YFE0301602, 2017YFE0300301, 2015GB106004]

    Keywords: Superhydrophobic; Superaerophilic; Pt@MIL-101/PVDF composite; Hydrogen isotopes; Hydrogen-water catalytic exchange

    A hierarchical porous composite of Pt@MIL-101/ployvinylidene fluoride (Pt@MIL-101/PVDF) was successfully prepared through a solution-processed method. This composite possesses advanced superhydrophobic and superaerophilic performance which makes it a promising catalyst facilitating liquid phase catalytic exchange techniques (LPCE) in hydrogen-water isotope exchange process. Its superhydrophobic property results in the repellence of water drops from flooding the catalytic surface with a relatively large contact angle in the exchange reaction, and its superaerophilic surface broke hydrogen bubbles into thin film so as to reach higher catalytic reactive efficiency. High reactivity and long-term stability in the reaction process can also be achieved by the configuration of mesoporous cages of MIL-101 confining Pt nanoparticles and preventing them from sintering.
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