On-surface synthesis of a polyphenylene vinylene oligomer via reductive coupling of a terephthalaldehyde derivative on Au(111) is reported. Scanning tunneling microscopy and photoelectron spectroscopy experiments confirmed oxygen dissociation and its desorption from the surface. Density functional theory calculations provided a reasonable reaction mechanism involving reactive sites on the substrate.
O. D. Arado, H. Mönig, J. Franke, A. Timmer, P. A. Held, A. Studer and H. Fuchs, Chem. Commun., 2015, 51, 4887 DOI: 10.1039/C4CC09634G
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