Journal
ULTRASONICS SONOCHEMISTRY
Volume 40, Issue -, Pages 174-183Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2017.07.018
Keywords
Ionic crystal; Sonocheinical synthesis; Polyoxometalate; Photodegradation; Visible light; 2,4-Dichlorophenol
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Funding
- Tarbiat Modares University
- Iranian nanotechnology initiative council
- Czech Science Foundation [15-12653S, CZ.2.16/3.1.00/24510]
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Single crystals of new polyoxometalate based ionic crystal [Fe(phen)(3)](2)[SIW12O40].3DMF (IC-Fe), (phen = 1,10phenanthroline, DMF = N,N-dimethylformamide) and their nanoparticles (IC-Fe-NPs) have been synthesized via self-assembly of constituent ions and sonochemical reaction, respectively. All materials have been characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), thermal gravimetric (TG), powder X-ray diffraction (PXRD), FT-IR spectroscopy and elemental analyses. Effect of sonication conditions on size and morphology of IC-Fe was investigated including time, concentrations of initial reagents and power of irradiation. Further studies have shown that IC-Fe is not only active in photocatalytic degradation of 2,4-dichlorophenol under visible light irradiation, but also is very stable in the various solvents and it can be easily separated and reused for cycles of reaction.
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