Abstract

A conjugated polyfluorene copolymer with broad emission in the visible region was synthesized by Stille coupling reaction through the polymerization between 2,5-bis(tributylstannyl)thiophene,4,7-dibromo-2,1,3-benzothiadiazole and 2,7-dibromo-9,9-dioctylfluorene.The obtained copolymer possessed of broad emission spectrum in visible region with the peak of 470.7,498.9,654.2 nm,indicating the potential application in polymer white emission materials.

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