4.3 Article

Catalytic activity of Mn(III) porphyrins supported onto graphene oxide nano-sheets for green oxidation of sulfides

期刊

JOURNAL OF COORDINATION CHEMISTRY
卷 72, 期 9, 页码 1466-1479

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TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2019.1610562

关键词

Manganese porphyrin; graphene oxide; heterogenized catalyst; urea hydrogen peroxide; sulfides

资金

  1. K.N. Toosi University of Technology

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In this research, oxidation of various sulfides with urea hydrogen peroxide (UHP) in the presence of manganese porphyrin grafted onto graphene oxide ([Mn(THPP)OAc@GO]) in ethanol was studied. The heterogenized catalyst was characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared (FT-IR), and UV-Vis spectroscopy. The amount of Mn-porphyrin loaded on the GO nano-sheets was determined by atomic absorption spectroscopy (AAS) and the thermal stability of the heterogenized catalyst was investigated by thermo-gravimetric analysis (TGA). [Mn(THPP)OAc@GO] was applied for the green oxidation of different sulfides and the solid catalyst can be simply reused several times without losing its catalytic efficiency.

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