Abstract
A novel copolymer, poly[9-(4′-tert-butyl-phenylenemethene)-fluoroene-co-9,9-dioctylfluorene], has been synthesized through the Yamamoto coupling method. The copolymer has good solubility and thermal stability with a glass transition temperature at 85 °C. The PL spectrum of the copolymer shows a maximum emission peak at 530 nm. A polymer light-emitting diode (PLED) with the configuration ITO/PEDOT/copolymer/Ca/Al has been fabricated. The device emits green light with an emission peak at 540 nm. A maximum brightness of 603 cd/m2 was achieved at a drive voltage of 24.3 V.
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This work was supported by the National Nature Science Foundation of China (No 50473045).
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Yu, Z., Tan, S., Yuan, Z. et al. Synthesis and light-emitting properties of poly[9-(4′-tert-butyl-phenylenemethene)-fluoroene-co-9,9-dioctylfluorene]. J Mater Sci 42, 1325–1329 (2007). https://doi.org/10.1007/s10853-006-1193-2
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DOI: https://doi.org/10.1007/s10853-006-1193-2