Hydrohalic acid anion interaction with platinum surfaces: Pt(110) – iodide

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


In this chapter the experimental results on adsorption of iodide ion on Pt(110) surface is described.

Iodide adsorbs in 10−3 M KI + 10−2 M KOH solution at 180 mV (RHE) and desorbs at 100 mV and forms a (4 × 1) adlayer under all conditions.

In 0.1 NaOH iodide adsorbs at 0.6 V and desorbs at 0.7 V (SHE).

In pure H2SO4 or NaOH iodide adsorbs at negative potentials leaving an unreconstructed (1x1) surface behind with smaller terraces [1, 2].

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reference hydrogen electrode


  1. 1.
    Bittner, A.M., Wintterlin, J., Beran, B., Ertl, G.: Surf. Sci. 335, 291 (1995)ADSCrossRefGoogle Scholar
  2. 2.
    Albers, J., Baltruschat, H., Kamphausen, I.: J. Electroanal. Chem. 395, 99 (1995)CrossRefGoogle Scholar

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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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