Summary
Poly[2-(2-(4-(trifluoromethyl)phenyl)ethenyl)-5-methoxy-1,4-phenylenevinylene] (PFEMPV) and a series of PPV copolymers containing 1,4-phenylenevinylene (PV) units were synthesized through a water-soluble precursor route, and their electrical and third-order nonlinear optical properties were studied. The PFEMPV films could not be doped with I2, but FeCl3-doped films showed an electrical conductivity of 5.0x10-4 S/cm. The conductivities of FeCl3-doped copolymer films ranged from 2.0x10-3 to 2.0 S/cm depending on their copolymer compositions. The third-order nonlinear optical susceptibility, χ(3)(−ω;ω,ω,−ω), was also investigated by the degenerate four wave mixing technique at 602 nm. The χ(3) value of PFEMPV was 6.9x10-11 esu. The photoluminescence spectrum of PFEMPV shows its emission maximum at 550 nm.
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Shim, HK., Hwang, DH. & Kang, IN. Synthesis and electrical properties of poly[2-(2-(4-trifluoromethyl)phenyl)ethenyl-1,4-phenylenevinylene] and PPV copolymers. Polymer Bulletin 35, 697–704 (1995). https://doi.org/10.1007/BF00294952
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DOI: https://doi.org/10.1007/BF00294952