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Issue 24, 2014
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Kink energy and kink dipole moments on vicinal Au(001) in halide electrolytes

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Abstract

Using electrochemical scanning tunnelling microscopy, we measured the potential-dependent kink energy and the corresponding dipole moments of kinks at step edges on vicinal Au(001) surfaces in chloride and bromide containing electrolytes. Combining the results of the potential dependence of the kink energy with impedance spectroscopy data for the surface charge, we can directly deduce the dipole moment of kinks at the Au steps with co-adsorbed Cl and Br, respectively. We find μCl = (6.0 ± 0.7) × 10−3 eÅ and μBr = (10.1 ± 0.6) × 10−3 eÅ.

Graphical abstract: Kink energy and kink dipole moments on vicinal Au(001) in halide electrolytes

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Publication details

The article was received on 29 Jan 2014, accepted on 11 Mar 2014 and first published on 17 Mar 2014


Article type: Paper
DOI: 10.1039/C4CP00448E
Citation: Phys. Chem. Chem. Phys., 2014,16, 12143-12149
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    Kink energy and kink dipole moments on vicinal Au(001) in halide electrolytes

    M. Al-Shakran, G. Beltramo and M. Giesen, Phys. Chem. Chem. Phys., 2014, 16, 12143
    DOI: 10.1039/C4CP00448E

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