An electronic device comprises a semiconductive material containing a homopolyacene of Formula (I): ##STR00001## wherein R is a suitable hydrocarbon, a halogen, or a heteroatom containing group; each R' and R'' are independently a suitable hydrocarbon, a heteroatom containing group, or a halogen; a represents a number of benzene rings on a left side of the central benzene ring; b represents a number of benzene rings on a right side of the central benzene ring; x represents a total number of R' groups on the left side of the central benzene ring; y represents a total number of R'' groups on the right side of the central benzene ring; and n represents the number of repeating units and is from 2 to about 5,000.