Adsorption of carbon monoxide on ruthenium

Adsorption of carbon monoxide on ruthenium
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一氧化碳在钌上的吸附

DOI：
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发表时间：
1973
期刊：
影响因子：
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通讯作者：
H. E. Grenga
H. E. Grenga
中科院分区：
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文献类型：
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作者：
Saghana Charkabortty;H. E. Grenga

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用场离子和发射显微镜技术研究了一氧化碳在Ru的(1011)、(1010)、(1122)和(2021)面上的吸附和脱附。物理吸附的CO和β-CO在所有区域都存在，而α-CO只在低指数(1011)和(1010)区发现。底物和/或吸附物质的重排也在所有区域发生。虽然在Ru上的M-CO键能比钨的要小，但在Ru上的M-CO和M-M键能的比率比在Ru上要大。
Field‐ion and emission microscopy techniques were used to study the adsorption and desorption of carbon monoxide on (1011), (1010), (1122), and (2021) regions of ruthenium. Both physisorbed CO and β‐CO were found on all regions, while α‐CO was found only on low‐index (1011) and (1010) regions. Substrate and/or adsorbate rearrangements also occurred on all regions. While the M–CO bond energy was found to be less on ruthenium than that reported for tungsten, the ratio of the M–CO to M–M bond energy was found to be greater in the case of ruthenium.