Mahavar, Chanchal, et al. “Comparative Study of Counter Electrodes Affecting the Conversion Efficiency in Fabrication of Dye Sensitized Solar Cell Using Mixture of Dyes in Different Solvents”. Asian Journal of Chemistry, vol. 33, no. 12, Dec. 2021, pp. 3082-8, doi:10.14233/ajchem.2021.23427.