Dihexylfluorene and N-butylcarbazole were copolymerized by solid-state oxidative coupling polymerization in the presence of anhydrous FeCl3 at room temperature. The solid-state films of the copolymers emitted blue lig...Dihexylfluorene and N-butylcarbazole were copolymerized by solid-state oxidative coupling polymerization in the presence of anhydrous FeCl3 at room temperature. The solid-state films of the copolymers emitted blue light after beating at 150 ℃ in air for 24 h, no red-shifted emission was observed by fluorescence spectroscopy.展开更多
Soluble green light-emitting poly(9,9-dihexylfluorene-co-fluorenone)was synthesized by solvent-free oxidative coupling polymerization of 9,9-dihexylfluorene in a facile one-step reaction.The polymers were characterize...Soluble green light-emitting poly(9,9-dihexylfluorene-co-fluorenone)was synthesized by solvent-free oxidative coupling polymerization of 9,9-dihexylfluorene in a facile one-step reaction.The polymers were characterized by FT-IR,^1H NMR,^13C NMR,UV-Vis and fluorescence spectroscopy.The region-regular structure of the polymer linking at 2,7'-position on the fluorene moieties was obtained.The FT-IR spectra of the polymers showed fluorenone vibration.The fluorescence spectra of the solid thin film of the polymers displayed green light-emitting,which was emitted from fluorenone moieties produced in the polymerization process.展开更多
文摘Dihexylfluorene and N-butylcarbazole were copolymerized by solid-state oxidative coupling polymerization in the presence of anhydrous FeCl3 at room temperature. The solid-state films of the copolymers emitted blue light after beating at 150 ℃ in air for 24 h, no red-shifted emission was observed by fluorescence spectroscopy.
基金Supported by the National Natural Science Foundation of China(20274031)
文摘Soluble green light-emitting poly(9,9-dihexylfluorene-co-fluorenone)was synthesized by solvent-free oxidative coupling polymerization of 9,9-dihexylfluorene in a facile one-step reaction.The polymers were characterized by FT-IR,^1H NMR,^13C NMR,UV-Vis and fluorescence spectroscopy.The region-regular structure of the polymer linking at 2,7'-position on the fluorene moieties was obtained.The FT-IR spectra of the polymers showed fluorenone vibration.The fluorescence spectra of the solid thin film of the polymers displayed green light-emitting,which was emitted from fluorenone moieties produced in the polymerization process.