Sonochemical synthesis and characterization of Ho₂FeMnO₆ nanostructures and their application as nano-photocatalyst for degradation of water-soluble organic pollutants

The present study equips the effective development of pure Ho₂FeMnO₆ (HFMO) nanoparticles, which are categorized as a new kind of double perovskite. Using diverse amine templates with dual functionality of precipitation/capping agent in sono-reaction, identification techniques exhibited morphologically desirable in the presence of TEPA, which had a mean of 34.70 nm and specific surface area of 3.422 m²/g. Using 30 W of power for 10 min of sonication was the desirable sonication power and time to synthesize a pure product, respectively. Furthermore, we also evaluated the effectiveness of the prepared sample by observing its photodegradation ability to eliminate color from three dyes: Eriochrome black T (EBT), Erythrosine (ErB), and Malachite green (MG) under visible light conditions. The rate of degradation for ErB reached a maximum of 91.73 %, while Malachite green exhibited a minimum degradation rate of 23.83 %. The product's paramagnetic characteristics enhance its photocatalytic efficiency, as it can be conveniently extracted with magnets for reuse.