title: Structure and chemical state of the Pt(557) surface during hydrogen oxidation reaction studied by in situ scanning tunneling microscopy and X-ray photoelectron spectroscopy.
abstract: The surface structure of Pt(557) during the catalytic oxidation of hydrogen was studied with in situ scanning tunneling microscopy and X-ray photoelectron spectroscopy. At 298 K, the surface Pt oxide formed after exposing Pt(557) to approximately 1 Torr of O2 can be readily removed by H2, at H2 partial pressures below 50 mTorr. Water is detected as the product in the gas phase, which also coadsorbs with hydroxyl groups on the Pt(557) surface.
authors: Department of Chemistry, University of California, Berkeley, California 94720, USA.
authors: Zhongwei
authors: Z
authors: Zhu
authors: Gérôme
authors: G
authors: Melaet
authors: Stephanus
authors: S
authors: Axnanda
authors: Selim
authors: S
authors: Alayoglu
authors: Zhi
authors: Z
authors: Liu
authors: Miquel
authors: M
authors: Salmeron
authors: Gabor A
authors: GA
authors: Somorjai