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Synthesis and electroluminescent properties of soluble poly(3,6-fluorene) and its copolymer
Yueqi Mo1, Xi Jiang, Derong Cao
1Institute of Optoelectronic Materials & Devices, Key Laboratory of Special Functional Materials, South China University of Technology, Guangzhou, 510640, China. moyueqi@263.net
Abstract:
Soluble poly(3,6-fluorene) and its copolymer were synthesized by nickel-catalyzed coupling. Poly(3,6-fluorene) exhibited the optical band gap of 3.6 eV, the emission maximum at 347 nm, and the HOMO level of -6.05 eV. These results confirm that 3,6-linkage is an effective way to get wide band gap conjugated polymers. Furthermore, its copolymer containing triarylamine moieties emits deep-blue light, which means that the adjustable blue light emission can be obtained from their copolymers via energy transfer.
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