Journal
JOURNAL OF POROUS MATERIALS
Volume 22, Issue 4, Pages 1111-1118Publisher
SPRINGER
DOI: 10.1007/s10934-015-9986-9
Keywords
Schiff base oxovanadium(IV) complex; MCM-41; Catalyst; H2O2; Sulfoxidation
Funding
- Islamic Azad University, Qeshm Branch, Qeshm, Iran
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Oxovanadium(IV) Schiff base complex have been anchored onto the surface of purely siliceous MCM-41 and tested for its activity as catalyst for the oxidation of sulfides. This catalyst could alter this oxidation reaction extremity, exhibiting excellent yields with 100 % selectivity. The intercalation of the complex inside the silica matrix was supported by various characterization techniques like X-ray diffraction, differential thermogravimetric (TG-DTA), BET measurements, UV-Vis diffuse reflectance spectroscopy and Fourier transform infrared spectroscopy (FT-IR). The stability of the catalyst during the course of the reaction was confirmed from its post catalytic FT-IR and XRD analysis. The catalyst could be reused five times without notable loss of its catalytic activity and efficiency which indicates that the metal-Schiff base moiety is intact and the coordination environments are not altered during the reaction.
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