An electronic device, such as a thin film transistor containing a semiconductor of, for example, of the Formula (I) ##STR00001## wherein R represents alkyl, alkoxy, aryl, heteroaryl or a suitable hydrocarbon; each R.sub.1 and R.sub.2 is independently hydrogen (H), a suitable hydrocarbon; a heteroatom containing group or a halogen; R.sub.3 and R.sub.4 are independently a suitable hydrocarbon, a heteroatom containing group, or a halogen; x and y represent the number of groups; Z represents sulfur, oxygen, selenium, or NR' wherein R' is hydrogen, alkyl, or aryl; and n and m represent the number of repeating units.