Journal of Physical Chemistry p. 8956 - 8959 (1990)
Update date:2022-08-11
Topics:
Paul, D. K.
Worley, S. D.
The reaction of CO with NH3 and the decomposition reactions for HNCO and formamide over Pd/Al2O3 films have been investigated by infrared spectroscopy.The formation of isocyanate species (NCO) was observed during all of these reactions over preoxidized Pd/Al2O3, but not over prereduced surfaces.These NCO species were formed Pd but spilled over to the Al2O3 support.Palladium became reduced during the course of the reaction of CO with NH3.A mechanism is proposed in which the reduction of Pdδ+ and the formation of a Pd formamide species are key features.
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