Dpp with branched alkyl-chain or (and) fused thiophene with branched alkyl-chain and the related designing strategy to increase the molecular weight of their semi-conducting copolymers
Described herein are compositions including hereocyclic fused thiophene-based compounds, polymers based on fused thiophene compounds, and methods for making the monomer and polymer along with uses in thin film-based and other devices.