Intact size-selected Au(n) clusters on a TiO2(110)-(1 x 1) surface at room temperature |
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Authors: | Tong Xiao Benz Lauren Kemper Paul Metiu Horia Bowers Michael T Buratto Steven K |
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Affiliation: | Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, USA. |
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Abstract: | Experiments in which mass-selected gold clusters were deposited on a surface have found that the catalytic properties depend strongly on cluster size. However, these experiments have not established definitively that the clusters maintain their size after deposition. We report here work in which we deposit low kinetic energy, mass-selected Aun+ (n = 1-8) clusters on a rutile TiO2(1 x 1) surface and use ultrahigh vacuum scanning tunneling microscopy (UHV-STM) to determine their size and shape. |
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