Abstract
Novel dendritic oligothiophene-perylene bisimide hybrid (DOTPBI) systems were investigated. Perylene bisimide (PBI) derivatives with phenoxy spacers bearing dendritic oligothiophenes (DOT) up to the third generation (G3) in the bay position, with an increasing number of conjugated thiophene units have been synthesized and characterized as novel functional materials. Investigation of the optoelectronic properties revealed that the perylene core and dendritic oligothiophene units are electronically decoupled. In the DOTPBIs intramolecular fluorescence resonance energy transfer (FRET) and photoinduced electron transfer (PET) from the DOT to the PBI moiety have been investigated by various optical measurements, revealing that the PET process is facilitated with increasing DOT generation and donor strength. Electropolymerization led to interesting cross-linked donor acceptor-type conducting polymer films.
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