Synthesis and Characterization of Zno Nanoparticles Using Hydrothermal and Sol-Gel Techniques for Dye-Sensitized Solar Cells. JUBES [Internet]. 2018 Nov. 1 [cited 2025 Aug. 14];26(9):256-67. Available from: https://mail.journalofbabylon.com/index.php/JUBES/article/view/1736