@inproceedings{8453e5ef58f24f3c84f745f55c40ee2a,
title = "Effects of core-shell interface structures on ORR activities: A model catalyst study of Pt/Pd(111)",
abstract = "We investigated surface structures and oxygen-reduction reactions (ORR) of Pt-Pd(111) model bimetallic surfaces fabricated by molecular beam epitaxy. The Pt/Pd(111) surfaces were prepared by depositing 0.6-nm-thick Pt on Pd(111) at substrate temperatures of 573 and 673 (xK-Pt0.6nm/Pd(111), where x = 573 or 673). Reflection high-energy electron diffraction patterns and ultra-highvacuum scanning tunneling microscopy images revealed that Pt grew epitaxially on the Pd(111) substrate under the deposition conditions selected for the study. However, analysis of low-energy ion scattering results suggested that the Pt and Pd atomic compositions of the topmost surfaces were different for 573KPt0.6nm/ Pd(111) and 673K-Pt0.6nm/Pd(111). The ORR activities of the 573K-Pt0.6nm/Pd(111) and 673K-Pt0.6nm/Pd(111) surfaces were 6.3 and 3.6 higher than that for Pt(111), respectively. The results indicate that alloy structures near the surface determine the ORR activity of practical Pd@Pt core-shell catalysts.",
author = "Naoto Todoroki and Yohe Bando and Hirofumi Watanabe and Toshimasa Wadayama",
note = "Publisher Copyright: {\textcopyright} The Electrochemical Society.; Symposium on Polymer Electrolyte Fuel Cells 15, PEFC 2015 - 228th ECS Meeting ; Conference date: 11-10-2015 Through 15-10-2015",
year = "2015",
doi = "10.1149/06917.0315ecst",
language = "English",
series = "ECS Transactions",
publisher = "Electrochemical Society Inc.",
number = "17",
pages = "315--320",
editor = "Gasteiger, {H. A.} and Weber, {A. Z.} and Ramani, {V. K.} and Fuller, {T. F.} and Mantz, {R. A.} and H. Uchida and Buchi, {F. N.} and M. Edmundson and C. Coutanceau and Fenton, {J. M.} and S. Mitsushima and Schmidt, {T. J.} and K. Shinohara and K. Swider-Lyons and Jones, {D. J.} and Pivovar, {B. S.} and Ayers, {K. E.} and Perry, {K. A.} and Narayanan, {S. R.} and P. Strasser",
booktitle = "Polymer Electrolyte Fuel Cells 15, PEFC 15",
edition = "17",
}