Conducting polymers behave as semiconductors
Polyacetylene               (After doping!)
Silver
Conductivity (Siemens/meter)
6.6 Å
a
Poly(p-phenylene vinylene)
(A “highly” crystalline polymer host)
+
Temperature (K)
Even when doped to a highly conductive state most p-conjugated polymers behave as classic semiconductors (VRH-variable range hoping is the standard proposed mechanism)