The electronic structures of BiOX (X = F, Cl, Br, I) photocatalysts have been calculated with and without Bi 5d states using the experimental lattice parameters, via the plane-wave pseudopotential method based on density functional theory (DFT). BiOF exhibits a direct band gap of 3.22 or 3.12 eV corresponding to the adoption of Bi 5d states or not. The indirect band gaps of BiOCl, BiOBr, and Bi...

Bismuth oxyiodide (BiOI) is a targeted material for its relative safety and photocatalytic activity under visible light. In this study, successful simple energy-saving route was applied to prepare BiOI through sonochemical process at room temperature. The characterization of the prepared conducted by physical means. transmission electron microscope (TEM) image showed that comprises nanoparticle...

The recycling of photocatalysts and improving their activities by hybridizing two materials are important. Herein, nanosize ferromagnetic (Ms 1⁄4 62.3 emu g ) CoFe2O4 nanoparticles (NPs) were embedded into nanosize-assembled BiOX (X 1⁄4 Cl, Br and I) microflowers and examined by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, UV-visible absorption spectroscopy...

BiOI, BiOCl, and their composites (BiOI:BiOCl) with molar ratios from 95:5 to 5:95 were synthesized tested in the transformation of methyl orange (MO) sulfamethoxypyridazine (SMP) antibiotic, using three various LED light sources: UV LEDs (398 nm), cool warm white (400–700 nm). The 80:20 BiOI:BiOCl photocatalyst showed best adsorption capacity for MO enhanced activity compared BiOI BiOCl. appar...

In this work, we have prepared BiOI/CNT composites by hydrothermal method and studied the impact of CNT treatment conditions (temperature time) simultaneously on phenomena such as crystallization. The samples were using X-ray Diffraction (XRD), nitrogen sorption (Brunauer–Emmett–Teller (BET) specific surface areas), Scanning Electron Microscopy assisted with Energy Dispersive X-Ray spectroscopy...

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