An electronic device comprising a polymer of Formula or structure (I) ##STR00001## wherein R.sub.1 is hydrogen, halogen, a suitable hydrocarbon, or a heteroatom containing group; R.sub.2 is hydrogen, a suitable hydrocarbon, a heteroatom containing group, or a halogen; R.sub.3 and R.sub.4 are independently a suitable hydrocarbon, hydrogen, a heteroatom containing group, or a halogen; Ar is an aromatic component; x, y, a, b, and c represent the number of groups or rings, respectively; Z represents sulfur, oxygen, selenium, or NR wherein R is hydrogen, alkyl, or aryl; and n represents the number of repeating units.