尖晶石
催化作用
材料科学
氧化物
化学工程
反向
无机化学
冶金
化学
有机化学
几何学
数学
工程类
作者
Bin Zheng,Shujie Wu,Xuwei Yang,Mingjun Jia,Wenxiang Zhang,Gang Liu
标识
DOI:10.1021/acsami.6b06501
摘要
MgFe2O4 with inverse spinel structure is demonstrated to be an efficient support for constructing practical potential Pt catalyst (Pt/MgFe2O4). The resultant Pt/MgFe2O4 exhibits excellent catalytic behavior in CO oxidation under normal temperature and humidity. TOF calculated based on the content of Pt is 0.131 s–1. The excellent performance of Pt/MgFe2O4 attributes to the presence of surface undercoordinated lattice oxygens on MgFe2O4 support. These oxygens could participate in the initial CO oxidation and then be recovered under O2 conditions. Over this Pt/MgFe2O4 catalyst, CO catalytic oxidation should mainly follow a redox mechanism.
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