Abstract
Steady-state and time-resolved fluorescence measurements have been used to examine intramolecular energy migration and excimer formation in dilute solutions of poly(N-vinyl carbazole) and a vinyl carbazole-fumaronitrile alternating copolymer. Fluorescence polarisation studies indicate that energy migration is a very efficient process in these polymers. In the copolymer a small amount of excimer emission is present and solvent dependence studies confirm that these excimers form via long-range interactions between chromophores. In the homopolymer the majority of emission arises from excimers formed between nearest-neighbour carbazole groups.
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