Steam-created grain boundaries for methane C–H activation in palladium catalysts-Reference-Cited by-同舟云学术

Steam-created grain boundaries for methane C–H activation in palladium catalysts

Published:2021-09-24 Issue:6562 Volume:373 Page:1518-1523
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Huang Weixin¹^ORCID,Johnston-Peck Aaron C.²,Wolter Trenton³^ORCID,Yang Wei-Chang D.⁴^ORCID,Xu Lang³^ORCID,Oh Jinwon⁵^ORCID,Reeves Benjamin A.¹,Zhou Chengshuang¹,Holtz Megan E.²^ORCID,Herzing Andrew A.²^ORCID,Lindenberg Aaron M.⁵⁶^ORCID,Mavrikakis Manos³^ORCID,Cargnello Matteo¹⁷^ORCID

Affiliation:

1. Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA.

2. Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.

3. Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA.

4. Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.

5. Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA.

6. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.

7. SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.

Abstract

Going with the grain Changes in surface structure can make metal nanoparticles supported on oxides more active for certain catalytic reactions. Huang et al . show that steam pretreatment of palladium nanoparticles on alumina led to a high density of twin boundaries, unlike other oxidation and reduction pretreatments. The density of these stable grain boundaries at the surface correlated with higher methane oxidation rates and lower temperatures for the initiation of the reaction. The introduction of additional defect sites through laser ablation created even more active catalysts. —PDS

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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