• • Mechanically alloyed AlCrFeMnTiZr0.5 HEA achieves excellent catalytic performance for malachite green degradation, demonstrating the effectiveness of mechanical alloying in producing active HEA catalysts (Ren et al., 2022).
• • Low-bandgap HEAs enable visible light-assisted photocatalytic degradation of pharmaceutically active compounds, offering a route to solar-driven wastewater treatment (Das et al., 2023).
• • Strongly tribocatalytic dye degradation using high-entropy powder harnesses mechanical friction, providing a novel energy source for pollutant removal (Yang et al., 2024).
• • Nanoparticles of MnFeNiCuBi HEA serve as effective catalysts for Fenton and photo-Fenton decomposition of p-nitrophenol, showcasing the versatility of HEAs in advanced oxidation processes (Anuraag et al., 2024).