Hydrohalic-acid anion interaction with platinum surfaces: Pt(100) – bromide

  • M. NowickiEmail author
  • K. Wandelt
Part of the Condensed Matter book series (volume 45B)


In this chapter the experimental results on adsorption of bromide ion on Pt(100) surface is described.

According to DFT calculations, Monte Carlo simulations, and CV and STM measurements in 0.1 M HClO4 + 10−2 M KBr solution, H+ and Br co-adsorb at 0.19 V (RHE) and adsorb/compete for the same surface sites. The surface is always saturated, but the ratio H/Br changes with potential. Br forms a c(2 × 2) structure on terraces. At step sites the same process occurs already at 0.15 V (RHE) [1, 2, 3, 4].

Symbols and abbreviations

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Full form


reference hydrogen electrode


scanning tunneling microscopy


density functional theory


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© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  1. 1.Institute of Experimental PhysicsUniversity of WroclawWroclawPoland
  2. 2.Institute of Physical and Theoretical ChemistryUniversity of BonnBonnGermany

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