Synthesis and characterization of poly(2,3,5,6-tetrafluorophenylenevinylene): A revisit

被引:14
作者
Gan, LH [1 ]
Wang, YM [1 ]
Xu, Y [1 ]
Goh, NK [1 ]
Gan, YY [1 ]
机构
[1] Nanyang Technol Univ, Nat Sci Acad Grp Chem, Singapore 637616, Singapore
关键词
D O I
10.1021/ma001645m
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
1,4-Di-alpha -bromomethyl-2,3,5,6-tetrafluorobenzene (1) was prepared from the bromination of 2,3,5,6-tetrafluoro-p-xylene. The product was carefully purified and analyzed by GC/MS, HPLC, FTIR, and H-1 NMR. The structure of I was unequivocally confirmed by the X-ray diffraction method. The melting point of 126 degreesC for I was vastly different from the previously reported value of 68-70 degreesC. Poly(2,3,5,6-tetrafluorophenylenevinylene) (PTFPV) homopolymer was successfully prepared via the bromine precursor route (BPR). The polymer showed excellent photoluminescence with emission maxima at shorter wavelengths of 485 and 515 nm. The single-layer device of ITO/PTFPV/Al configuration emitted green light at low turn-on voltage of about 4.2 V. The results demonstrated that PTFPV prepared via BPR was a good emitting material for the LEDs in the green-blue region.
引用
收藏
页码:6117 / 6120
页数:4
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