Engineering oxide speciation in CoMnOx catalysts for achieving an ideal selective oxidation of benzyl alcohol at room temperature with atmospheric pressure air
Engineering oxide speciation in CoMnOx catalysts for achieving an ideal selective oxidation of benzyl alcohol at room temperature with atmospheric pressure air
研究概述
研究内容请参见论文原文。
谱图与表征信息
Fig. 3. (A) Normalized Co K-edge XANES spectra of Co foil, Co2Mn1, Co0.5Mn1 catalysts and Co3O4 standard sample; (B) Normalized Mn K-edge XANES spectra of Mn foil, Co2Mn1, Co0.5Mn1 catalysts and Mn3O4 standard sample; (C) Fourier transform (FT) of k3-weighted Co K-edge EXAFS spectra of Co foil, Co2Mn1, Co0.5Mn1 catalysts and Co3O4 standard sample; (D) Fourier transform (FT) of k3-weighted Mn K-edge EXAFS spectra of Mn foil, Co2Mn1, Co0.5Mn1 catalysts and Mn3O4 standard sample; Co 2p (E), Mn 2p (F) and O 1s (G) XPS spectra of CoMnOx catalysts (OOH: oxygen in surface hydroxyl species; Oads: oxygen adsorbed on catalysts surface; Olatt: lattice oxygen); (H) Co3+/Co2+ and Mn3+/Mn2+ ratio calculated by the fitting curves in E–F.