期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 42, 页码 11190-11193出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201405043
关键词
atom-probe tomography; heterogeneous catalysts; nanoparticles; silver; surface analysis
资金
- Australian Research Council
- ARC
- DFG
To be able to correlate the catalytic properties of nanoparticles with their structure, detailed knowledge about their make-up on the atomic level is required. Herein, we demonstrate how atom-probe tomography (APT) can be used to quantitatively determine the three-dimensional distribution of atoms within a Au@Ag nanoparticle with near-atomic resolution. We reveal that the elements are not evenly distributed across the surface and that this distribution is related to the surface morphology and residues from the particle synthesis.
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