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Dye doping effect of conduction in vinylidenefluoride-trifluoroethylene copolymer

This paper describes the doping influence of the ionic dye, rhodamine 6G (R6G), on the electric current of VDF-TrFE copolymer induced by irradiation with a TEA CO/sub 2/ laser. The current of the undoped sample increases rapidly at poling fields over 0.4 MV/cm, and that of the doped one has a lower rapid increasing point. X-ray diffraction, infrared spectra and dielectric constant measurements of undoped and doped samples are reported. The qualitative analysis shows that the current is affected by ionic dye doping.