Optimizing the Pt-FeOx Interaction over Atomic Pt/FeOx/CeO2 Catalysts for Improved CO Oxidation Activity

被引：1
作者：
Wang, Bao-Ju [1 ,2 ]
Luo, Yong [1 ,2 ]
Chu, Guang-Wen [1 ,2 ]
Zhao, Yufei [3 ]
Duan, Xue [3 ]
Chen, Jian-Feng [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Res Ctr, Minist Educ High Grav Engn & Technol, Beijing 100029, Peoples R China
[3] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
CHEMIE INGENIEUR TECHNIK | 2023年 / 95卷 / 1-2期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
CO oxidation; Interfacial sites; Pt-FeOx interaction; Pt; FeOx; CeO2; catalyst; Pt-O-Ce interface; WATER-GAS SHIFT; PREFERENTIAL OXIDATION; OXYGEN VACANCIES; IN-SITU; CERIA; SURFACE; TEMPERATURE; STABILITY; HYDROXIDE; OXIDE;
D O I：
10.1002/cite.202200104
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The metal-supported CeO2 catalysts (such as Pt/CeO2) have been considered as the most promising exhaust-treatment catalyst to meet the future emission standard. However, the Pt-O-Ce interface on Pt/CeO2 system seems to over-stabilize the Pt sites to cause low activity for CO oxidation. In this work, by adding Fe oxides, the enhanced Pt-FeOx interaction was formed with the disappearance of the Pt-O-Ce interface, facilitating the electron transfer from the support to the atomically dispersed Pt on the Pt-FeOx interface for the dramatically CO (preferential) oxidation performance. The single-atom Pt/1.5FeO(x)/CeO2 performed the best catalytic activity with a reaction rate of 0.58 s(-1) at 144 degrees C (T-100). Such strategy in resorting the special metal-support interaction to tune the active sites can be extended to other metal-oxide systems for further optimized catalysis.
引用
收藏
页码：68 / 76
页数：9
相关论文
共 66 条
[41]   Recent progress in CO oxidation over Pt-group-metal catalysts at low temperatures [J].
Lin, Jian ;
Wang, Xiaodong ;
Zhang, Tao .
CHINESE JOURNAL OF CATALYSIS, 2016, 37 (11) :1805-1813
[42]   Oxygen vacancy promoted CO oxidation over Pt/CeO2 catalysts: A reaction at Pt-CeO2 interface [J].
Liu, Huan-Huan ;
Wang, Yu ;
Jia, Ai-Pin ;
Wang, Shu-Yuan ;
Luo, Meng-Fei ;
Lu, Ji-Qing .
APPLIED SURFACE SCIENCE, 2014, 314 :725-734
[43]   Preferential CO oxidation on Ce-promoted Pt/γ-Al2O3 catalysts under H2-rich atmosphere [J].
Liu Huanling ;
Lei, Ma ;
Shao Saibing ;
Li Zenghe ;
Wang Aiqin ;
Huang Yanqiang ;
Tao, Zhang .
CHINESE JOURNAL OF CATALYSIS, 2007, 28 (12) :1077-1082
[44]   Engineering surface defects and metal-support interactions on Pt/TiO2(B) nanobelts to boost the catalytic oxidation of CO [J].
Liu, Jinghua ;
Ding, Tong ;
Zhang, Hao ;
Li, Guangcheng ;
Cai, Jinmeng ;
Zhao, Dongyue ;
Tian, Ye ;
Xian, Hui ;
Bai, Xueqin ;
Li, Xingang .
CATALYSIS SCIENCE & TECHNOLOGY, 2018, 8 (19) :4934-4944
[45]   Unraveling the Intermediate Reaction Complexes and Critical Role of Support-Derived Oxygen Atoms in CO Oxidation on Single-Atom Pt/CeO2 [J].
Lu, Yubing ;
Zhou, Shulan ;
Kuo, Chun-Te ;
Kunwar, Deepak ;
Thompson, Coogan ;
Hoffman, Adam S. ;
Boubnov, Alexey ;
Lin, Sen ;
Datye, Abhaya K. ;
Guo, Hua ;
Karim, Ayman M. .
ACS CATALYSIS, 2021, 11 (14) :8701-8715
[46]   The prevalence of surface oxygen vacancies over the mobility of bulk oxygen in nanostructured ceria for the total toluene oxidation [J].
Manuel Lopez, Jose ;
Gilbank, Alexander L. ;
Garcia, Tomas ;
Solsona, Benjamin ;
Agouram, Said ;
Torrente-Murciano, Laura .
APPLIED CATALYSIS B-ENVIRONMENTAL, 2015, 174 :403-412
[47]   Fundamentals and Catalytic Applications of CeO2-Based Materials [J].
Montini, Tiziano ;
Melchionna, Michele ;
Monai, Matteo ;
Fornasiero, Paolo .
CHEMICAL REVIEWS, 2016, 116 (10) :5987-6041
[48]   Synergy between hydrogen and ceria in Pt-catalyzed CO oxidation: An investigation on Pt-CeO2 catalysts synthesized by solution combustion [J].
Morfin, Franck ;
Thanh-Son Nguyen ;
Rousset, Jean-Luc ;
Piccolo, Laurent .
APPLIED CATALYSIS B-ENVIRONMENTAL, 2016, 197 :2-13
[49]   Activation of surface lattice oxygen in single-atom Pt/Ce02 for low-temperature CO oxidation [J].
Nie, Lei ;
Mei, Donghai ;
Xiong, Haifeng ;
Peng, Bo ;
Ren, Zhibo ;
Hernandez, Xavier Isidro Pereira ;
DeLariva, Andrew ;
Wang, Meng ;
Engelhard, Mark H. ;
Kovarik, Libor ;
Datye, Abhaya K. ;
Wang, Yong .
SCIENCE, 2017, 358 (6369) :1419-+
[50]  
Qiao BT, 2011, NAT CHEM, V3, P634, DOI [10.1038/nchem.1095, 10.1038/NCHEM.1095]
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