Table of Contents
Surfaces, Volume 1, Issue 1 (December 2018)
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Cover Story (view full-size image) One of the major challenges in the field of supramolecular nanoarchitectures is finding methods to [...] Read more. One of the major challenges in the field of supramolecular nanoarchitectures is finding methods to create long-range ordered nanostructures. In this work, the self-assembly of tetra(N-methyl-4-pyridyl)-porphyrin cations on an iodine-modified Au(100) electrode surface has been studied by means of cyclic voltammetry (CV) and in-situ electrochemical scanning tunneling microscopy (EC-STM) with submolecular resolution. Potentiodynamic STM results provide new insights into self-assembly phenomena at the solid–liquid interface. The regime of positive electrode potentials is studied, where the adsorbed molecules are not reduced yet. In such a regime, the spontaneous adsorption of the molecules on the surface yields the formation of up to five different potential-dependent. STM measurements as a function of the applied electrode potential show that the existing ordered phases are the result of a tradeoff of van der Waals. View the paper.