Hydrohalic acid anion interaction with platinum surfaces: Pt(111) – 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(111) surface is described.

In 10 mM KClO4 (pH = 4) solution in the presence of 3 mMKBr, bromide adsorbs at 0.1 V (RHE). A structural transition is observed at 0.3 V (RHE), and (3 × 3)-Br (θBr = 0.444 ML) structures, an asymmetric and a hexagonal, seem to coexist randomly on the Pt(111) (1 × 1) surface. No clear transformation between them could be observed [1, 2, 3].

Xu et al. found two coexisting structures, (3 × 3) and (√3 × √3)R30°, at intermediate coverages [4].

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reference hydrogen electrode




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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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