This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under contract No. DE-AC02-06CH11357.
Unique Electrochemical Adsorption Properties of Pt-Skin Surfaces†
Article first published online: 20 FEB 2012
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 51, Issue 13, pages 3139–3142, March 26, 2012
How to Cite
van der Vliet, D. F., Wang, C., Li, D., Paulikas, A. P., Greeley, J., Rankin, R. B., Strmcnik, D., Tripkovic, D., Markovic, N. M. and Stamenkovic, V. R. (2012), Unique Electrochemical Adsorption Properties of Pt-Skin Surfaces. Angew. Chem. Int. Ed., 51: 3139–3142. doi: 10.1002/anie.201107668
- Issue published online: 21 MAR 2012
- Article first published online: 20 FEB 2012
- Manuscript Revised: 21 DEC 2011
- Manuscript Received: 31 OCT 2011
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. Grant Number: DE-AC02-06CH11357
Thin skin: Pt-alloy catalysts, such as annealed Pt3Ni(111) (see STM image; color changes mark a single atomic step), with a surface layer of pure platinum, termed a Pt-skin surface, have very different electrochemical adsorption properties to monometallic Pt. The adsorption of hydrogen is largely suppressed (see CV, (—) Pt3Ni(111)-skin versus (••••) Pt(111)), making it hard to determine the electrochemically active surface area of catalysts with Pt-skin surfaces.