One-step hydrothermal synthesis of Sb2WO6 nanoparticle towards excellent LED light driven photocatalytic dye degradation

Pristine Antimony tungstate nanoparticles prepared via a simple hydrothermal process showcase interesting photocatalytic efficiency, degrading Methylene Blue (MB) completely in 180 min under visible light. In this study, the impact on crystalline quality and related optical properties as well efficiency of antimony due to temperature variation during synthesis are explored. While X-ray diffraction (XRD) shows polycrystalline nature all synthesized samples; however, systematic increase crystallite size is revealed by analysing XRD peak broadening. spectra further examined Rietveld analysis showing change unit cell volume. Additionally, overall changes corresponding grain micro-strain developed crystals determined using Williamson-Hall plot. Moreover, significant variations few Raman modes observed with increasing temperature. A notable modification band gap from absorbance UV–Vis perceived within range ~ 2.38–2.57 eV. Further, photoluminescence measurement indicates that weak luminescent material band-to-band emission at 468 nm. Finally, efficiencies samples ascertained parameter, estimated decomposing methylene blue (MB), highest degradation rate constant (k) value 0.015 min−1 for sample °C. also applied Rhodamine B (RhB) Potassium Dichromate (K2Cr2O7) light irradiation.