Abstract
Researchers created a single-step biosynthetic method using marine soft coral to produce La2O3–CePO4 (LCP) nanocomposites. The structure and phase transitions of the nanocomposites were verified, and various potential applications were investigated. The UV-DRS study peaks supported the evidence of La2O3–CePO4 formation. Analysis using FT-IR spectroscopy showed the La–O bonds and PO43− bands. The XRD analysis revealed the presence of the hexagonal phase of La2O3 and the monoclinic CePO4 phases. The average particle size of La2O3–CePO4 nanocomposites was 25.81 nm. Absorption spectroscopy indicates that the La2O3–CePO4 nanocomposites interact with the DNA groove. Under UV light exposure, a degradation efficiency of 90.12 % was achieved for alizarin yellow within 100 min at a pH of 4. The rate constant of 0.0151 min−1 confirmed the photocatalytic capabilities of the material. Their compatibility with living organisms was evaluated using the MTT assay, while their luminescence properties were examined closely. These result paves a way for manufacturing innovation.
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