Abstract
In this work, the Ni-X and Ni-CNTs-X (X = No, F, Cl, Br, or I) nano-composites are successfully synthesized via a simple hydrothermal synthesis method. The corresponding RuNi-X (or RuNi-CNTs-X) composites were prepared at room temperature by a simple galvanic replacement reaction. The morphologies of RuNi-CNTs were modulated by adding different halogen ions during the synthesis process. The RuNi-CNTs-X samples with various shapes showed distinct different catalytic performance in benzene hydrogenation. The change rule of the catalytic behaviors of the RuNi-CNTs-X catalysts was similar to that of RuNi-X. The order of the catalytic properties of RuNi-CNTs-X for benzene hydrogenation was RuNi-CNTs-F > RuNi-CNTs-No > RuNi-CNTs-Cl > RuNi-CNTs-Br > RuNi-CNTs-I.
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