期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 105, 期 39, 页码 9533-9536出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp011144i
关键词
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We present results of first-principle studies for energetics and structural properties of CO adsorbed on the Pt-Ru surface alloys and on the surface of a bulk Pt-Ru alloy. The results showed that the Ru-CO bond strength was increased from 2.0 to 2.1 eV, whereas the Pt-CO bond was weakened from 1.54 to 1.36 eV after Ru alloying with Pt for the bulk Pt-Ru alloy. On the other hand, both Ru-CO and Pt-CO bonds are strengthened on the surface alloys.
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