期刊
CATALYSIS LETTERS
卷 114, 期 3-4, 页码 169-173出版社
SPRINGER
DOI: 10.1007/s10562-007-9064-2
关键词
Pd/Co; Pd/Ni; Pd/Cu; bimetallic catalysts; cyclohexene self-hydrogenation; monolayer-dispersed catalysts; CO chemisorption
Several Pd-based bimetallic catalysts, Pd/Co, Pd/Ni and Pd/Cu, were synthesized by replacement reactions. The catalysts were characterized by XRD and CO chemisorption and their catalytic properties were evaluated using cyclohexene self-hydrogenation. The results suggest that the high catalytic activity of Pd/Ni is most likely due to the monolayer-dispersion of Pd on the Ni surface. The results also suggest that Pd is monolayer-dispersed on the Co surface in Pd/Co, whereas Pd forms surface alloy or solid solution with Cu in Pd/Cu.
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