An electronic device comprising a polymer of Formula (I) ##STR00001## wherein at least one of R.sub.1 and R.sub.2 is a suitable hydrocarbon, hydrogen, a heteroatom containing group, or a halogen; Ar and Ar' represent an aromatic moiety; x, y, a, b, c, d, e, f, and g represent the number of groups or rings, respectively; and n represents the number of repeating units.