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Structure and Bonding of Water on Pt(111)

H. Ogasawara, B. Brena, D. Nordlund, M. Nyberg, A. Pelmenschikov, L. G. M. Pettersson, and A. Nilsson
Phys. Rev. Lett. 89, 276102 – Published 18 December 2002
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Abstract

We address the adsorption of water on Pt(111) using x-ray absorption, x-ray emission, and x-ray photoelectron spectroscopy along with calculations in the framework of density functional theory. Using the direct relationship between the electronic structure and adsorbate geometry, we show that in the first layer all the molecules bind directly to the surface and to each other through the in-layer H bonds without dissociation, creating a nearly flat overlayer. The water molecules are adsorbed through alternating metal-oxygen (M-O) and metal-hydrogen (M-HO) bonds.

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  • Received 26 August 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.276102

©2002 American Physical Society

Authors & Affiliations

H. Ogasawara1, B. Brena1, D. Nordlund1,2, M. Nyberg1, A. Pelmenschikov1, L. G. M. Pettersson1, and A. Nilsson1,3

  • 1FYSIKUM, Stockholm University, Albanova University Center, S-10691 Stockholm, Sweden
  • 2Department of Physics, Uppsala University, Box 530, S-75121 Uppsala, Sweden
  • 3Stanford Synchrotron Radiation Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025

See Also

Water Structure Down Flat

JR Minkel
Phys. Rev. Focus 10, 30 (2002)

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Issue

Vol. 89, Iss. 27 — 30 December 2002

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