Abstract

The assembly of two-dimensional molecular structures of zinc porphyrin molecules arising from the dewetting of a porphyrin solution on a mica substrate is investigated using the atomic force microscope (AFM). Both a near equilibrium nucleation and growth process, and a far from equilibrium spinodal dewetting process are observed. By choosing a zinc porphyrin molecule with a prefabricated structure, we are able to control the morphology of the single layer molecular films formed on the substrate.

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