Narrow bandgap polymers: poly-4-dicyanomethylene-4H-cyclopenta[2,1-b;3,4-b′]dithiophene (PCDM)
Abstract
An electroactive polymer with a bandgap of ≈0.8 eV has been obtained from the monomer 4-dicyanomethylene-4H-cyclopenta[2,1-b;3,4-b′]dithiophene.