Abstract
Density functional theory calculations were performed to investigate the structural and energetic properties of NO2 adsorption on small bimetallic Ag n Cu m clusters (n + m ≤ 5). Generally NO2 is adsorbed in bridge configuration. The adsorbates prefer Cu sites when both Ag and Cu co-exist in the clusters. The adsorption energies and the dissociation energies of the complex clusters increase as the Cu content increases for the given cluster size. Our calculation suggests that the bimetallic Ag n Cu m may react with NO2 dissociatively by way of Ag atom, Ag2 or AgCu loss. The N–O vibrational properties of the complex clusters were also discussed and analyzed.
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The project was supported by the Outstanding Talent Program of Henan Province (084200510015) and the Fund for Doctorates of Henan University of Science and Technology.
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Zhao, S., Ren, Y., Lu, W. et al. Adsorption of NO2 on Small Silver Clusters with Copper Impurity: A Density Functional Study. J Clust Sci 23, 1039–1048 (2012). https://doi.org/10.1007/s10876-012-0493-8
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DOI: https://doi.org/10.1007/s10876-012-0493-8