期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 37, 页码 13252-13254出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja904119b
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资金
- Department of Science and Technology, New Delhi
- Council of Scientific and Industrial Research, New Delhi
Density functional theory (DFT) studies have revealed the energetically favorable reaction paths for oxidation of CO on Pd-4 cluster. Adsorption of various species such as O-2, 2O, O, CO, CO2, and coadsorbate combinations, including O-2+CO, 2O+CO, O+CO, and O+CO, on neutral, cationic, and anionic Pd4 clusters were investigated. The results indicate that Pd-4(+) and Pd-4 are more effective for catalyzing CO in comparison with Pd-4(-). It is further observed that dissociated oxygen is a superior oxidant for CO oxidation on Pd-4(q) (q = 0, 1, -1) than molecular and atomic oxygen.
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