L.  George, Kunhikannan, A. K., Illathvalappil, R., Ottoor, D., Kurungot, S., and R. Devi, N., ?Understanding the electron transfer process in ZnO-naphthol azobenzoic acid composites from photophysical characterisation?, Physical Chemistry Chemical Physics, vol. 18, no. 32, pp. 22179-22187, 2016.

B.  Manna, Desai, A. V., Illathvalappil, R., Gupta, K., Sen, A., Kurungot, S., and Ghosh, S. K., ?Ultrahigh ionic conduction in water-stable close-packed metal-carbonate frameworks?, Inorganic Chemistry, vol. 56, no. 16, pp. 9710-9715, 2017.