Abstract
Herein, novel BiOCl-Bi24O31Cl10/rGO heterostructured nanocomposites with various contents of rGO were designed through a simple sono-solvothermal method, employing in the photo-elimination of fluoroquinolone antibiotics under the simulated solar-light. Their properties were described using various analyses such as XRD, Raman spectroscopy, FESEM, HRTEM, surface particle size distribution, BET-BJH, DRS and photoluminescence analyses. The results revealed the suitable dispersion of BiOCl-Bi24O31Cl10 nanoparticles on the rGO nanosheets and the creation Bi-C bonds in BiOCl-Bi24O31Cl10/rGO. On the basis of experimental outcomes, it was concluded the strong influence of the rGO value into BiOCl-Bi24O31Cl10/rGO structure on the fluoroquinolone photo-degradation and the high photo-activity was obtained on the BiOCl-Bi24O31Cl10/rGO(0.5%) with the elimination rate constant 1.6 times contrasting to the bare BiOCl-Bi24O31Cl10 in the ofloxacin photo-removal. This consequence was devoted the decrease of band gap and the enhanced light absorption features which can lead to enhancing production of electron-hole pairs, the raising separation and transmission of charge carriers and reducing recombination rate of them, the increasing surface adsorption of contaminant molecules and the increment of accessible active sites. Besides, the synthesized BiOCl-Bi24O31Cl10/rGO(0.5%) was exposed the great stability.
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