催化作用
热重分析
化学
原子吸收光谱法
傅里叶变换红外光谱
光谱学
扫描电子显微镜
甲烷氧化偶联
红外光谱学
核化学
能量色散X射线光谱学
纳米颗粒
无机化学
分析化学(期刊)
化学工程
纳米技术
有机化学
材料科学
物理
量子力学
工程类
复合材料
作者
Maryam Hajjami,Fatemeh Sharifirad,Fatemeh Gholamian
摘要
The catalytic activity of two magnetic catalysts Fe 3 O 4 @SiO 2 @DOPisatin‐M(II) (M = Ni, Cu) was investigated in the environmentally green H 2 O 2 oxidant‐based oxidation of sulfides to sulfoxides and oxidative coupling of thiols to disulfides. By using these catalysts, various substrates were successfully converted into their corresponding product. These catalysts could also be reused multiple time without significant loss of activity. The physical and chemical properties of the catalysts were determined using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT‐IR), X‐ray diffraction (XRD), thermogravimetric analysis (TGA), vibrating sample magnetometer (VSM), energy dispersive X‐ray spectroscopy (EDX) and atomic absorption spectroscopy (AAS).
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