D.  Bharath, Chithiravel, S., Sasikumar, M., Chereddy, N. Reddy, Shanigaram, B., Bhanuprakash, K., Krishnamoorthy, K., and V. Rao, J., ?Detailed study on the thermal, photo-physical and electrochemical properties and OFET applications of D-pi-A-pi-D structured unsymmetrical diketopyrrolopyrrole materials?, RSC Advances, vol. 5, no. 115, pp. 94859-94865, 2015.

S. S.  Dharmapurikar, Chithiravel, S., Mane, M. V., Deshmukh, G., and Krishnamoorthy, K., ?Dihedral angle control to improve the charge transport properties of conjugated polymers in organic field effect transistors?, Chemical Physics Letters, vol. 695, pp. 51-58, 2018.