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Ruei-Tang Chen, Wen-Fen Su and Yun Chen Highly efficient and stable blue-light-emitting copolyfluorene consisting of carbazole, oxadiazole, and charge-trapping anthracene groups Journal of Polymer Science Part A: Polymer Chemistry 49

Article first published online: 3 NOV 2010 | DOI: 10.1002/pola.24439

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A highly efficient and stable blue-light-emitting copolyfluorene (P1) consisting of carbazole, oxadiazole, and charges trapping anthracene groups is synthesized. Polymer light-emitting diodes using P1 as the emitting layer (ITO/PEDOT:PSS/P1/Ca/Al) exhibits excellent current efficiency (5.1 cd/A) with the CIE coordinates of (0.16, 0.11). Doping the copolyfluorene with carbazole, oxadiazole, and anthracene groups significantly improves its electroluminescent performance.

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