Cross-linking conducting polythiophene with yellow-green light-emitting properties and good thermal stability via free radical polymerization and electropolymerization

► A novel polymethacrylate-substituted conjugated polythiophene. ► Photophysical property of the polymer was studied. ► The polymer possesses fine thermal stability. ► Good redox activity of the polymer. ► Stronger interactions between deposited macromolecules.