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A series of diketopyrrolopyrrole-based luminophores were synthesized and characterized. Their photoluminescent properties were affected significantly by the change of π-conjugated units and alkyl groups linked to the diketopyrrolopyrrole-ring. 2,5-Dialkyl-3,6-bis(4-((10-oxoanthracen-9(10H)-ylidene)methyl)phenyl)pyrrolo[3,4-c]pyrrole-1,4-dione showed aggregate-induced emission enhancement and crystallization-induced...
Five diketopyrrolopyrrole (DPP)-containing monomers, named as DPP1–3 and DPP-T1–2 were synthesized. DPP1–3 contained mono-, di- and tri-DPP units respectively; DPP-T1–2 contained one DPP unit with adjacent mono- and di-thiophene units. The five monomers were copolymerized with benzothiadiazole, dioctyloxybenzene and fluorene through fluoride-mediated Suzuki polymerization to give five copolymers (P-DPP1–3,...
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