Transition metal sulfides and phosphides are highly active catalysis for the reforming of oils (hydrodesulfurization, for example). Among the reported catalysts, metal sulfides or metal phosphides were prepared via colloidal synthesis or post treatment (sulfurization or phosphorization) of metal nanoparticles. Herein, we report an alternative route starting with metal oxide nanoparticles, and the transformation reactions were conducted with highly reactive trialkylsilyl main group compounds. The products were characterized with powder XRD, TEM and UV-Vis absorption spectroscopy. The powder XRD and UV-Vis data confirmed the successful transformation of metal oxides into metal sulfides and selenides. Preliminary data of TEM images also show interesting vesicle like morphology of the resulting particles, which suggests similar transformation mechanism as Kirkendall effect. Further pore structure characterization of the particles and the examination of catalytic activity are reported.

Metal oxide transformations: An alternative way to make metal chalcogenide and pnictide nanoparticles for the reforming of oil

247th National Meeting (2014)

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