Hydrohalic acid anion interaction with gold surfaces: Au(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 Au(110) surface is described.

In 5 mM MClO4 + 5 mM MI solution (M = K+, Cs+), besides mixed M + I co-adsorption layers above −0.6 V (SCE), e.g., of (2 × 4) structure and CsI2 stoichiometry, a pair of cation-independent ordered iodide adlayer phases have been discerned between −0.35 V and 0.2 V (SCE). The first compressible phase (“I”) transforms sharply above 0 V (SCE) into the slightly higher coverage, approximately (3 × 2) phase (“II”) of coverage θI= 0.67 ML [1].

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saturated calomel electrode


  1. 1.
    Gao, X., Edens, G.J., Weaver, M.J.: J. Phys. Chem. 98, 8074 (1994)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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