Abstract

Excitation energy migration (EEM) in conjugated polymers is probed by doping the blue light emitting ladder-type poly(p-phenylene) with small amounts of a highly fluorescent n-conjugated macromolecule. The experimentally attained results for photoluminescence are modeled and discussed by means of a two step EEM process: (1) migration within the host and (2) transfer from the host to the guest. In particular we show that a Forster type mechanism alone cannot account for the experimental facts in such a guest host system.

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