| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5422635 | Surface Science | 2013 | 7 Pages |
Abstract
⺠Catalytically active nanoporous gold was studied in UHV by XPS and TPD. ⺠Active and inactive surface oxygen species were identified on the catalyst surface. ⺠Active oxygen consumed by exposure to CO can be replenished by exposure to O2. ⺠CO2 evolution is linked to a CO desorption state at temperatures above 200 K. ⺠Residual silver and inactive oxygen may cause O2 activation and CO stabilization.
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Authors
Sarah Röhe, Kristian Frank, Andreas Schaefer, Arne Wittstock, Volkmar Zielasek, Andreas Rosenauer, Marcus Bäumer,