The self-assembly of leucoquinizarin molecules on Au(111) surfaces is shown to be characterized by the molecules mostly being in their keto–enolic tautomeric form, with evidence of their temporary switching to other tautomeric forms. This reveals a metastable chemistry of the assembled molecules, to be considered for their possible employment in the formation of more complex hetero-organic interfaces.
R. Costantini, L. Colazzo, L. Batini, M. Stredansky, M. S. G. Mohammed, S. Achilli, L. Floreano, G. Fratesi, D. G. de Oteyza and A. Cossaro, Chem. Commun., 2020, 56, 2833 DOI: 10.1039/C9CC09915H
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