El Malki, Z., Bejjit, L., Haddad, M., Hamidi, M., Bouachrine, M.. A Combined Experimental and Theoretical Study of Optoelectronic and Structural Properties of a New Copolymer Based on Polyvinylcarbazole (PVK) and Poly (3-hexylthiophene) (PHT). Journal of Applied Chemical Research. 2012;6(1):64-86.