Activation of surface lattice oxygen in single-atom Pt/CeO 2 for low-temperature CO oxidation-Reference-Cited by-同舟云学术

Activation of surface lattice oxygen in single-atom Pt/CeO 2 for low-temperature CO oxidation

Published:2017-12-15 Issue:6369 Volume:358 Page:1419-1423
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Nie Lei¹^ORCID,Mei Donghai¹^ORCID,Xiong Haifeng²^ORCID,Peng Bo¹,Ren Zhibo¹³^ORCID,Hernandez Xavier Isidro Pereira⁴^ORCID,DeLaRiva Andrew²^ORCID,Wang Meng¹^ORCID,Engelhard Mark H.¹^ORCID,Kovarik Libor¹^ORCID,Datye Abhaya K.²^ORCID,Wang Yong¹⁴^ORCID

Affiliation:

1. Institute for Integrated Catalysis and Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Post Office Box 999, Richland, WA 99352, USA.

2. Department of Chemical and Biological Engineering and Center for Micro-Engineered Materials, University of New Mexico, Albuquerque, NM 87131, USA.

3. State Key Laboratory of Chemical Resources Engineering, Beijing University of Chemical Technology, Beijing 100029, China.

4. The Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99164, USA.

Abstract

Stable catalysts through steaming The lifetime of catalysts that convert automotive exhaust pollutants can be increased by lowering their operating temperature, which helps to prevent deactivation caused by the active metal atoms agglomerating into larger, less active particles. Nie et al. show that a thermally stable catalyst, atomically dispersed Pt 2+ on CeO 2 , can become active for CO oxidation at 150°C after steam treatment at 750°C. In studies with simulated vehicle exhaust, this catalyst treatment also improves its oxidation activity for other exhaust components such as hydrocarbons. Science , this issue p. 1419

Funder

U.S. Department of Energy

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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