Jawad, Mohammed K., et al. “Influence of Succinonitrile and Potassium Iodide Concentration on Ionic Conductivity and Performance of Dye-Sensitized Solar Cells Based PMMA-PVA Polymer Blend Electrolyte”. Asian Journal of Chemistry, vol. 28, no. 8, Apr. 2016, pp. 1807-10, doi:10.14233/ajchem.2016.19835.