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Copolymers introducing dithienyl-benzophenazine (<0.1mol%) as a dopant have been synthesized on a polyfluorene (PF) backbone based on the Suzuki coupling reaction. The UV–vis spectra of polymers showed similar behaviors in the solution and on the film. However, PL spectra were similar to that of PF in solution, but the peak around 615nm increased as the amounts of dithienyl-benzophenazine were...
The dithienylquinacridone derivative that produces orange emission in fluorene, a representative blue light-emitting material, was added in a small quantity as a dopant to synthesize poly[fluorene-co-DTQuinacridone] (PFTQ) using the Suzuki coupling reaction. The copolymer was synthesized at various mole ratios and was soluble in organic solvents. The luminous efficiency of PFTQ3 was 0.50cd/A, the...
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