M. Chandra Sil, Kavungathodi, M. Fairoos Me, and Nithyanandhan, J., ?Effect and position of spiro-bipropylenedioxythiophene pi-spacer in donor-pi-spacer-acceptor dyes for dye-sensitized solar cell?, Dyes and Pigments, vol. 161, pp. 313-323, 2019.

V.  Punitharasu, Kavungathodi, M. Fairoos Me, Singh, A. Kumar, and Nithyanandhan, J., ?pi-Extended cis-configured unsynimetrical squaraine dyes for dye-sensitized solar cells: panchromatic response?, ACS Applied Energy Materials, vol. 2, no. 12, pp. 8464-8472, 2019.