Abstract
Iron-phthalocyanine (FePc) molecules have been adsorbed on a graphene sheet prepared on the Ir(111) surface. The FePc molecules are flat-lying on graphene, as determined by near-edge X-ray absorption fine-structure, constituting a sub-nanometer thick molecular array at the single-layer coverage. The flat FePc single-layer presents a weak interaction of the organic macrocycle with the graphene surface and Ir subsurface substrate. Further FePc deposition on top of the first flat single-layer determines a three-dimensional island growth with varying molecular orientation.
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Acknowledgments
We acknowledge the fruitful experimental collaboration of Xenia De Lucia and Pierluigi Gargiani. Work supported by the PRIN project of MIUR, by Università di Roma “La Sapienza”, and by the Elettra Synchrotron Radiation facility in Trieste.
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Scardamaglia, M., Forte, G., Lizzit, S. et al. Metal-phthalocyanine array on the moiré pattern of a graphene sheet. J Nanopart Res 13, 6013–6020 (2011). https://doi.org/10.1007/s11051-011-0384-1
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DOI: https://doi.org/10.1007/s11051-011-0384-1