American Institute of Physics, AIP Conference Proceedings, 2007
DOI: 10.1063/1.2729924
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We have investigated the optical properties of self-assembled diindenoperylene nanocrystals grown epitaxially on a copper hexadecafluorophthalocyanine film by SNOM imaging and near-field photoluminescence. The coupled SNOM-spectrometer system allows us to study the optical response of a single nanocrystal beyond the diffraction limit. Our results demonstrate the existence of a diindenoperylene wetting layer connecting the nanocrystals.