Methods and compositions for enhancing processability and charge transport of polymer semiconductors and devices made therefrom

Abstract

Methods of making solid-state semiconducting films. The methods include forming a mixture by mixing at least two monomers in a pre-determined proportion such that at least one of the at least two monomers contains at least one non-conjugation spacer. Polymerization of the mixture is achieved by reacting the monomers with one another resulting in a solid state polymer which is then purified. The purified solid state polymer is dissolved in an organic solvent to form a homogenous solution which is then deposited onto a substrate, forming a solid-state semiconducting film by evaporating the solvent. Alternatively, the purified solid state polymer is deposited onto a substrate and heated to form a liquid melt, and cooling the liquid melt results in a solid state semiconducting thin film. Also, films comprising a semiconducting polymer composition containing a minimum of one non-conjugation spacer and devices comprising such films.