Electronic reconstruction induced by atomic-scale asymmetric Co–O–Mn site enhances the water resistance of low-temperature CO oxidation
Electronic reconstruction induced by atomic-scale asymmetric Co–O–Mn site enhances the water resistance of low-temperature CO oxidation
研究概述
在Co3O4中构筑不对称Co—O—Mn位点，通过富电子Mn与缺电子Co–晶格氧协同调节CO氧化路径，并缩短氧空位暴露时间，抑制水竞争吸附。干燥条件10 ℃可完全转化CO，湿态完全转化温度低于85 ℃；连续100小时及10次温度循环表现稳定。
谱图与表征信息
Fig. 3. (a) O 1 s XPS spectra, (b) EPR spectra, (c) Co K-edge XANES spectra, and (d) EXAFS spectra of 0MnCo and 5MnCo. Calculated (e) TDOS, (f) PDOS, and (g) optimized structures (top view) of 0MnCo (111) and 5MnCo (111) surfaces. (h) H2-TPR, and (i) CO2-TPD of 0MnCo and 5MnCo.