Abstract
Bimetallic Ni–Pt catalysts supported on carbon were found to give very high turn over frequency numbers and almost complete selectivity to m-phenylenediamine in m-dinitrobenzene hydrogenation as compared to the monometallic nickel catalysts. The XRD and XPS characterization revealed that most of the nickel remains as Ni 2+ in a monometallic catalyst while, the addition of platinum leads to the stabilization of Ni 0 state, in case of bimetallic catalysts.
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