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Oil-soluble Ni-Mo sulfide nanoparticles and their hydrogenation catalytic properties

Liu Chenguang  Wang Shutao  An Changhua  Yan Fang  He Jie  Wang Zongxian  Zhang Qin-Hui  
【摘要】:Oil-soluble bimetallic Ni-Mo sulfide nanoparticles(NiMoS) with narrow size distribution were successfully synthesized through a composite-surfactants-assisted-solvothermal process.The surface functionality and lipophilicity of the Ni-Mo sulfides were shown by transmission electronic microscopy,Fourier transform infrared and ultraviolet spectroscopy.The as-prepared Ni-Mo sulfides supported on activated carbon(NiMoS/AC) exhibited enhanced catalytic activity towards naphthalene hydrogenation instead of cracking.For comparison,CoMoS/AC and MoS2/AC catalysts were also prepared through similar procedures,and it was found that their catalytic performance decreased in the order of NiMoS/ACCoMoS/ACMoS2/AC.Furthermore,the activity of the bimetallic NiMoS nanocatalyst can be effectively tuned via variation of the atomic ratio of Ni/(Ni+Mo).

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