THE TRANSPORT-PROPERTIES OF METALLIC SHIRAKAWA POLYACETYLENES WITH DIFFERENT DOPANT SPECIES

The influence of dopant species on the electrical transport properties was investigated in metallic polyacetyles (PA) doped with HClO4, I-2 and HClSO3. The temperature dependence of thermoelectric power, S(T), exhibited the typical metallic character as a whole but showed clearly different manners for PA's with different chemical species as dopant The difference indicates that the transport properties are affected di fferently by the dopant species with a different chemical structure. T he temperature dependence of Voltage-Shorted-Compaction (VSC) resistiv ity, rho(VSC)(T), also indicates corresponding results with those of S (T).