Karki, I. B.; Chatterjee, S.; Nakarmi, J. J.; Sinha, D.; Goswami, D.; Mandal, P. K. Photovoltaic Characterization of Dye-Sensitized Solar Cells With Natural Dyes Using Synthesized ZnO Nanostructures. J. Nepal Chem. Soc. 2013, 30, 56-61.