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Surface enhanced Raman spectroscopy has been used to study the potential controlled behavior of 2-thiouracil adsorbed on silver, gold and copper electrodes. Comparison of the normal Raman and SER spectra shows that the molecule adsorbs chemically to the metallic surfaces through its deprotonated sulfur atom. The position of the molecular aromatic ring in respect to the surface normal under potential...
The self-assembly of 1,10 phenanthroline (phen) on Au(111) from aqueous solutions has been studied as a function of the substrate potential with in situ scanning tunneling microscopy (STM). The phen molecules adsorb spontaneously onto the substrate with a preference to decorate the reconstruction stripes of Au(111). The adsorbed molecules stand vertically with their nitrogen atoms facing the Au(111)...
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