Electrical properties of the conducting polydiacetylene poly-1,1,6,6-tetraphenylhexadiinediamine

The electrical properties of the conducting polydiacetylene poly-1,1,6,6-tetraphenylhexadiinediamine (poly-THD) are investigated for the first time, The stability of the conductivity with time, the current-voltage characteristics over a broad range of applied voltages, the pressure dependence of the conductivity, and the low-frequency conductivity fluctuations in the range of analysis frequencies 20 Hz-10 kHz are studied. Appreciable anisotropy of the conductivity is discovered under strong uniaxial compression. Hooge's parameter tu is evaluated (alpha similar to 20 at 300 K). (C) 1997 American Institute of Physics.