Supported by the National Key Basic Research and Development Program of China(No.2015CB655004), the National Natural Science Foundation of China(Nos.51473054, 21704027), the Science and Technology Planning Project of Guangdong Province, China(No.2017A050503002) and the Fundamental Research Funds for the Centural Universities(SCUT), China(No. 2017MS020).
Bipolar blue light-emitting polyfluorenes(PFSO-Cz) containing electron-deficient dibenzothiophene-S,S- dioxide(SO) and electron-rich carbazole(Cz) unit were synthesized. All the polymers show a high thermal stab...