Journal
RSC ADVANCES
Volume 5, Issue 123, Pages 101377-101385Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra21164f
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Funding
- MIUR (Ministero dell'Istruzione, dell'Universita e della Ricerca)
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In order to obtain new polymeric materials endowed with improved optoelectronic performances, suitable side chain engineering was designed to insert different chromophores showing electron donating ability [i.e. triphenylamine (TPA) and 9-methylcarbazole (MCBZ) residues] in two different key positions (i.e. 6 and 40) of the 3-phenylindene scaffold of the polybenzofulvene monomeric units. Among the four newly-synthesized polybenzofulvene derivatives, those bearing triphenylamine moieties were found to show higher emissive properties with respect to the corresponding carbazole derivatives. Moreover, the preliminary OLED devices prepared with the triphenylamine-based polymers showed promising features, but the role of the aggregation process in affecting the emission properties of poly-6-TPA-BF3k suggested that extensive device development studies are required in order to maximize polybenzofulvene performances in OLED applications.
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