Dj. Irvin et al., Dual p- and n-type doping in an acid sensitive alternating bi(ethylenedioxythiophene) and pyridine polymer, CHEM COMMUN, (20), 1999, pp. 2121-2122
Poly[2,5-bis(3,4-ethylenedioxy-2-thienyl)pyridine] exhibits multi-color ele
ctrochromism via easily accesible p- and n-type doping, and can be switched
between a pale blue reduced state, a red neutral state, and a blue-purple
oxidized state.