Reorganization of porphyrin nanoparticle morphology driven by surface energetics

Abstract

Organic nanoparticles (ONp) of an Fe(III) porphyrin appended with four [Formula: see text]-polyethyleneglyco-pyridinium moieties prepared in acetonitrile were deposited onto hydrophilic or hydrophobic Si surfaces. Self-organized by intermolecular interactions, ONp reorganize in response to environmental changes. Mechanisms for the control of nanoparticle morphologies and surface patterning by varying surface energies are discussed.