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Erschienen in:
27.02.2019
Metal (II) complexes with derived from 3-hydroxy-2-(3-nitrophenyl)-4H-chromen-4-one; synthesis and photocatalytic activity
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 7/2019
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Abstract
The synthesized novel flavonol was studied by 1H NMR spectroscopy, 13C NMR spectroscopy, FTIR, GC–mass spectrometry. And moreover, the metal complexes (M = Fe, Ni, Cu) with TiO2 nanocomposites are synthesized and studied by UV–Vis–NIR spectroscopy, GC–mass spectrometry, UV–Vis–DRS, XRD profile, SEM and TEM techniques. The performance of photocatalytic degradation of malachite green (MG) under visible light irradiation by Metal (M = Fe, Ni, Cu,) complex of 3-hydroxy-2-(3-nitrophenyl)-4H-chromen-4-one of nanocomposite was studied. In photocatalytic degradation of MG, the detail investigations are made by the effect of catalyst concentration; initial MG concentration and addition of inorganic salts. The MG photo degradation result of different ML–TiO2 is as follows Cu(II) > Fe(II) > Ni(II). Interestingly, the CuL–TiO2 has better photocatalytic efficiency of 97% as compared to the other ML–TiO2 in visible light at 80 min. The adsorption malachite green on ML–TiO2 was found to boost by the Langmuir and Freundlich approach.