Comparative Study of pure and rGO-Integrated CaWO4 Nanoparticles: Photocatalytic Efficiency for Dye Degradation and Electrochemical PropertiesCh. Sridhar, Neha Sahu, Young-Soo Seo, I. Rabani, G.R. Turpu, Shalinta Tigga and G. PadmajaEPJ Web Conf., 356 (2026) 02011DOI: https://doi.org/10.1051/epjconf/202635602011