Effect of Preparation Methods on the Performance of Pt/CeO2 Catalysts for the Catalytic Oxidation of Carbon Monoxide

被引：27

作者：

Hong, Xiaowei ^{[1
]}

Sun, Ye ^{[1
]}

机构：

[1] Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China

来源：

CATALYSIS LETTERS | 2016年 / 146卷 / 10期

关键词：

CO; Pt/CeO2; Preparation method; TEMPERATURE CO OXIDATION; ROOM-TEMPERATURE; NANOPARTICLES; MECHANISM; SURFACE; CEO2; FORMALDEHYDE; COOXIDATION; ADSORPTION;

D O I：

10.1007/s10562-016-1828-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of Pt/CeO2 catalysts were prepared by impregnation (IM), deposition-precipitation (DP) and impregnation-reduction (IR) methods, and their catalytic activities for the oxidation of CO were evaluated at room temperature. Pt/CeO2 (IR) catalyst presented the best catalytic activity, over which CO could be completely oxidized at room temperature. Based on the characterization, it was found that on Pt/CeO2 (IR) catalyst more negatively charged metallic Pt species existed, which could efficiently absorb atmospheric oxygen and thus enhance the CO oxidation. [GRAPHICS] .

引用

页码：2001 / 2008

页数：8

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