R.  Bisht, Sudhakar, V., Kavungathodi, M. Fairoos Me, Karjule, N., and Nithyanandhan, J., ?Fused fluorenylindolenine-donor-based unsymmetrical squaraine dyes for dye-sensitized solar cells?, ACS Applied Materials & Interfaces, vol. 10, no. 31, pp. 26335-26347, 2018.