Adsorbate-Driven Morphological Changes of a Gold Surface at Low Temperatures

Using STM, infrared absorption reflection spectroscopy experiments and density functional calculations we show that low temperature adsorption of CO on gold surfaces modified by vacancy islands leads to morphological changes and the formation of nanosized Au particles. These results demonstrate a dy...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2008-12, Vol.130 (51), p.17272-17273
Main Authors: Hrbek, Jan, Hoffmann, Friedrich M, Park, Joon B, Liu, Ping, Stacchiola, Dario, Hoo, Yong Soo, Ma, Shuguo, Nambu, Akira, Rodriguez, Jose A, White, Michael G
Format: Article
Language:English
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Summary:Using STM, infrared absorption reflection spectroscopy experiments and density functional calculations we show that low temperature adsorption of CO on gold surfaces modified by vacancy islands leads to morphological changes and the formation of nanosized Au particles. These results demonstrate a dynamic response of a surface during adsorption with consequences for the surface reactivity.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja8081268