Dr. Aliaksandr S. Bandarenka, Ana Sofia Varela, Mohammedreza Karamad, Dr. Federico Calle-Vallejo, Dr. Lone Bech, Dr. Francisco J. Perez-Alonso, Dr. Jan Rossmeisl, Dr. Ifan E. L. Stephens and Prof. Ib Chorkendorff Inside Cover: Design of an Active Site towards Optimal Electrocatalysis: Overlayers, Surface Alloys and Near-Surface Alloys of Cu/Pt(111) (Angew. Chem. Int. Ed. 47/2012) Angewandte Chemie International Edition 51
Positioning of copper atoms in the first two layers of a Pt single crystal changes the reactivity of the surface for CO electro-oxidation. In their Communication on page 11845 ff., I. Chorkendorff et al. visualize this effect using a 3D “volcano plot”. It shows the overpotential, or catalytic activity, for CO electro-oxidation as a function of the binding to CO and OH and that the most active catalyst should not bind too weak or too strong to CO and OH.
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