1% Palladium-Doped Titanium Dioxide (Pd-TiO₂) nanoparticles exhibit enhanced photocatalytic activity and charge carrier separation, making them highly effective for environmental and energy applications. Palladium doping improves TiO₂’s performance under visible light, extending its utility beyond traditional UV-activated catalysts. These nanoparticles are widely used in photocatalysis, hydrogen production, CO oxidation, and organic pollutant degradation. Additionally, Pd-TiO₂’s improved conductivity and surface reactivity make it valuable for fuel cells, sensors, and advanced catalytic processes.