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Determination of the structure of adenine monolayers adsorbed at Au(110)/electrolyte interfaces using reflection
C I Smith1, A Bowfield, G J Dolan
1Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Merseyside L69 7ZE, United Kingdom.
Abstract:
Reflection anisotropy spectroscopy (RAS) has been used to show that at saturation coverage adenine adsorbs on the Au(110)/electrolyte interface in a base-stacking configuration with the plane of the bases orientated vertically on the surface and with the long axis of the molecules parallel to the [110] direction. Changes in the RAS observed from adsorbed adenine as a result of changes in the potential applied to the Au(110) electrode could arise from slight changes in the orientation of the molecules in the vertical plane.
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