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

In 0.05 M KClO4 + 0.01 M KBr solution between −0.4 V and −0.2 V (SCE), the Au (110) reconstruction is lifted, and at 0.15–0.02 V (SCE), ordered Br layers are found, namely, a (3 × 1) (θBr = 0.66 ML) and a (4 × 1) (θBr = 0.75 ML). Instead of the latter, a quasi-hexagonal structure of the same coverage has also been observed. At positive potentials Au-halide complexes are formed such as AuBr2 [1, 2].

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saturated calomel electrode




  1. 1.
    Zou, S., Gao, X., Weaver, M.J.: Surf. Sci. 452, 44 (2000)ADSCrossRefGoogle Scholar
  2. 2.
    Giancarlo, L.C., Flynn, G.W.: Annu. Rev. Phys. Chem. 49, 297 (1998)ADSCrossRefGoogle 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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