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MnFeOx catalysts were prepared by organic solvent method, and the effect of different proportion of polyethylene glycol (PEG) on selective catalytic oxidation (SCO) reaction performance was investigated. The results showed that the activity of the catalyst increased first and then decreased with the increase of the proportion of PEG. The MnFeOx (PEG = 0.3%) catalyst had better SCO catalytic activity...
The hindrance of ligands chain arising from colloidal nanoparticle (NPs) surface in the process for different kinds of colloidal Au NPs catalyzed reduction of 4-nitrophenol (4-NP) is presented. The hindrance around Au NPs is controlled by varying the length of chain ligands coated on Au NPs. As the length of the ligand chain shortens, the catalytic activity of colloidal Au NPs got significant promotion...
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