Effect of Adsorption Characteristics of Rhodamine 6G Dye Solution in Fe3O4 Magnetic Nanoparticles on Fluorescence Quantum Yield

In this work, the use of Fe3O4 magnetic nanoparticles in the adsorption of rhodamine 6G solution was evaluated via absorbance and fluorescence spectroscopy using the UV-Vis spectrometer. The adsorption mechanism of rhodamine 6G on Fe3O4 was determined with respect to the adsorbent dosage (2.5-10mg/L) and treatment time (0-150min). The experimental data revealed that the fluorescence quantum yield of rhodamine 6G was inversely proportional to the percentage of dye removal. The highest efficiency of dye removal was obtained at 10mg/L Fe3O4, and the adsorption capacity was about 150mg/g, together with a reduced treatment time of 30min, owing to active adsorption of Fe3O4. We believe that our study makes a significant contribution to the literature because Fe3O4 magnetic nanoparticles were found to be able to quench rhodamine 6G dye molecules, which will aid in eliminating toxic and hazardous pollutants from dye wastewater, which are otherwise detrimental to the environment and human health.