Aggregation quenching in thin films of meh-ppv studied by near-field scanning optical microscopy and spectroscopy
Description: Aggregates in thin films of conjugated polymers form excimer states and significantly reduce the photo- and electroluminescence efficiency in devices produced from these materials. We have studied the aggregate formation in thin films of MEH-PPV by near-field scanning optical microscopy and spectroscopy. Local photoluminescence spectroscopy and photo-bleaching experiments have been used to show that thin films of MEH-PPV are homogeneously aggregated and do not form aggregated domains.
Date: April 11, 2000
Creator: Huser, T & Yan, M
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