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.

A. Kumar Singh, Veetil, A. Nellur, and Nithyanandhan, J., ?D-A-D based complementary unsymmetrical squaraine dyes for co-sensitized solar cells: enhanced photocurrent generation and suppressed charge recombination processes by controlled aggregation?, ACS Applied Energy Materials, vol. 4, no. 4, pp. 3182-3193, 2021.

A.  Singh, Singh, A. Kumar, Dixit, R., Vanka, K., Krishnamoorthy, K., and Nithyanandhan, J., ?Visible-light-active unsymmetrical squaraine dyes with 1 V of open-circuit voltage for dye-sensitized solar cells?, ChemPhotoChem, vol. 7, no. 5, 2023.

K. Balaso Ingole, Deshmukh, S. Suresh, Verma, T. Singh, Krishnamurty, S., Krishnamoorthy, K., and Nithyanandhan, J., ?Triazatruxene amine donor-based visible-light-responsive unsymmetrical squaraine dyes for dye-sensitized solar cells?, ACS Applied Energy Materials, vol. 7, no. 18, pp. 7982-7991, 2024.

A.  Singh, Singh, A. Kumar, Dixit, R., Vanka, K., Krishnamoorthy, K., and Nithyanandhan, J., ?Visible, far-red, and near-infrared active unsymmetrical squaraine dyes based on extended conjugation within the polymethine framework for dye-sensitized solar cells?, ACS Applied Energy Materials, vol. 7, no. 4, pp. 1461-1475, 2024.

K. Balaso Ingole, Siby, J., Pandya, R., Vanka, K., Krishnamoorthy, K., and Nithyanandhan, J., ?Double anchoring squaraine dye with triazatruxene amine donor for dye-sensitized solar cells: sequential cosensitization for panchromatic light-harvesting?, Journal of Photochemistry and Photobiology A-Chemistry, vol. 462, p. 116229, 2025.

K. Balaso Ingole, Siby, J., Pandya, R., Vanka, K., Krishnamoorthy, K., and Nithyanandhan, J., ?Auxiliary triazatruxene donor-based squaraine dyes for dye-sensitized solar cells: cis- and trans- configuration of dyes for modulating photophysical and electronic properties?, Chemistry-an Asian Journal, vol. 21, no. 1, 2026.

J.  Siby and Nithyanandhan, J., ?D-A-D based NIR and visible homodimeric squaraine dyes for dye-sensitized solar cells: Modulation of excitonic coupling?, Journal of Photochemistry and Photobiology A-Chemistry, vol. 473, p. 116874, 2026.