Abstract
We have synthesized poly(9,9-dioctylfluorene-co-9,10-diphienylanthracene) (PFAN), which is based on the blue light-emitting materials fluorene and anthracene derivative, using Suzuki coupling. These copolymers synthesized at wide-ranging mol ratios are fully dissolved in ordinary organic solvents and show high thermal stability. PF50AN50, PF75AN25, and PF90AN10 demonstrate maximum photoluminescent wavelengths when λ max = 440, 440, and 443 nm and peaks for electroluminescent properties when λ max = 442, 442, and 450 nm, respectively. In all PFAN series, new electroplex-increased emission peaks appear nearby 540 nm at 13 V, 14 V, and 15 V, respectively, as driving voltage increases, with the CIE coordinates being (0.30, 0.36) and change in color observed from blue emission to white emission.
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