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Origin of unusual catalytic activities of Au-based catalysts

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ChemPhysLett37720031_2.pdf
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2003

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Chemical Physics Letters. 2003, 377(1-2), pp. 170-176. Available under: doi: 10.1016/S0009-2614(03)01130-8

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Experimental evidences for the non-dissociative chemisorption of O2 are presented on even-numbered free Au anion clusters (Au-n, n=number of atoms) up to Au-20 at room temperature. Our result indicates that the formation of the activated di-oxygen species is the key of the unusual catalytic activities of Au-based catalysts. No correlation between geometrical structures of Au-n and the activities towards O2 adsorption was found, showing that site-specific chemistry disappears for Au-nanocatalysis. We demonstrate that interplay between cluster physics and surface chemistry is a promising strategy to unveil mechanisms of elementary steps in nanocatalysis.

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ISO 690KIM, Young Dok, Matthias FISCHER, Gerd GANTEFÖR, 2003. Origin of unusual catalytic activities of Au-based catalysts. In: Chemical Physics Letters. 2003, 377(1-2), pp. 170-176. Available under: doi: 10.1016/S0009-2614(03)01130-8
BibTex
@article{Kim2003Origi-9395,
  year={2003},
  doi={10.1016/S0009-2614(03)01130-8},
  title={Origin of unusual catalytic activities of Au-based catalysts},
  number={1-2},
  volume={377},
  journal={Chemical Physics Letters},
  pages={170--176},
  author={Kim, Young Dok and Fischer, Matthias and Ganteför, Gerd}
}
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