  A critical analysis of recent advances in synthesis and electrical
characterization of nanofibers and nanotubes made of different conjugated
polymers is presented. The applicability of various theoretical models is
considered in order to explain results on transport in conducting polymer
nanofibers and nanotubes. The relationship between these results and the
one-dimensional (1D) nature of the conjugated polymers is discussed in light of
theories for tunneling in 1D conductors (e.g. Luttinger liquid, Wigner
crystal). The prospects for nanoelectronic applications of polymer fibers and
tubes as wires, nanoscale field-effect transistors (nanoFETs), and in other
applications are analyzed.
