Bunga Nurkhalifah, Vera Pangni Fahriani, Sarah Dampang, Muhammad Fahmi Hakim, and Siti Nurhayati. “Improvement of TiO2 Performance With 10% Cu–TiO2/BiVO4 Heterojunction Composite Using Sonication in Photoelectrochemical Water Splitting”. Journal of Energy, Material, and Instrumentation Technology 6, no. 4 (November 16, 2025): 209–219. Accessed October 13, 2026. https://jemit.fmipa.unila.ac.id.103-3-46-85.cpanel.site/index.php/jurnal/article/view/358.