Topic summary
Polythiophenes

Extracted from the Wikipedia article Polythiophene.
Polythiophenes (PTs) are polymerizedthiophenes, a sulfurheterocycle. The parent PT is an insoluble colored solid with the formula (C4H2S)n. The rings are linked through the 2- and 5-positions. Poly(alkylthiophene)s have alkyl substituents at the 3- or 4-position(s). They are also colored solids, but tend to be soluble in organic solvents.