Physicochemical characteristics of DyFeO3 perovskite nanoparticles synthesized by a simple co-precipitation method at room temperature

DyFeO 3 nanoparticles were successfully prepared by a simple co-precipitation method at room temperature using 0.2% ammonia solution as the precipitating agent. The characteristics of DyFeO 3 nanoparticles were studied by PXRD, FTIR, EDX-mapping, TEM, DRS, and VSM methods. The results revealed a homogeneous distribution of the main elements on the samples' surfaces, with morphology consisting of isometric and highly agglomerated nanoparticles. TEM analysis indicated a particle size range of 70–100 nm for DyFeO 3 materials. After calcination at 750, 850, and 950 °C for 1 h, the obtained DyFeO 3 nanoparticles exhibited coercivities ( H c ) of 250.03–497.02 Oe, remanent magnetizations ( M r ) of 0.2–0.79 emu·g −1 , net magnetizations ( M n ) of 2.96–3.88 emu·g −1 , and optical energy gap ( E g ) of 1.75–1.85 eV. The synthesized DyFeO 3 nanomaterials has strong optical absorption in both ultraviolet and visible regions, suggesting their potential as catalysts for the decomposition of toxic organic compounds under solar irradiation.