Low-temperature carbon monoxide oxidation catalysed by regenerable atomically dispersed palladium on alumina - Details

author：

Indexed by：

Scopus

Abstract：

Catalysis　by　single　isolated　atoms　of　precious　metals　has　attracted　much　recent　interest,　as　it　promises　the　ultimate　in　atom　efficiency.　Most　previous　reports　are　on　reducible　oxide　supports.　Here　we　show　that　isolated　palladium　atoms　can　be　catalytically　active　on　industrially　relevant　γ-alumina　supports.　The　addition　of　lanthanum　oxide　to　the　alumina,　long　known　for　its　ability　to　improve　alumina　stability,　is　found　to　also　help　in　the　stabilization　of　isolated　palladium　atoms.　Aberration-corrected　scanning　transmission　electron　microscopy　and　operando　X-ray　absorption　spectroscopy　confirm　the　presence　of　intermingled　palladium　and　lanthanum　on　the　γ-alumina　surface.　Carbon　monoxide　oxidation　reactivity　measurements　show　onset　of　catalytic　activity　at　40　°C.　The　catalyst　activity　can　be　regenerated　by　oxidation　at　700　°C　in　air.　The　high-temperature　stability　and　regenerability　of　these　ionic　palladium　species　make　this　catalyst　system　of　potential　interest　for　low-temperature　exhaust　treatment　catalysts.　©　2014　Macmillan　Publishers　Limited.　All　rights　reserved.

Keyword：

Community：

[ 1 ] [Peterson, E.J.]Department of Chemical and Biological Engineering, Center for Microengineered Materials, University of New Mexico, MSC 01 1120, Albuquerque, NM 87131, United States
[ 2 ] [DeLaRiva, A.T.]Department of Chemical and Biological Engineering, Center for Microengineered Materials, University of New Mexico, MSC 01 1120, Albuquerque, NM 87131, United States
[ 3 ] [Lin, S.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Johnson, R.S.]Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131, United States
[ 5 ] [Guo, H.]Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131, United States
[ 6 ] [Miller, J.T.]Chemical Science and Engineering, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, United States
[ 7 ] [Kwak, J.H.]Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99352, United States
[ 8 ] [Kwak, J.H.]Department of Chemical Engineering, UNIST, Ulsan, South Korea
[ 9 ] [Peden, C.H.F.]Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99352, United States
[ 10 ] [Kiefer, B.]Department of Physics, New Mexico State University, Las Cruces, NM 88003, United States
[ 11 ] [Allard, L.F.]Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, United States
[ 12 ] [Ribeiro, F.H.]School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, United States
[ 13 ] [Datye, A.K.]Department of Chemical and Biological Engineering, Center for Microengineered Materials, University of New Mexico, MSC 01 1120, Albuquerque, NM 87131, United States

Reprint 's Address：

[Datye, A.K.]Department of Chemical and Biological Engineering, Center for Microengineered Materials, University of New Mexico, MSC 01 1120, United States

Email：

Show more details

Related Keywords：

Source ：

Nature Communications

ISSN： 2041-1723

Year： 2014

Volume： 5

1 1 . 4 7

JCR@2014

1 4 . 7 0 0

JCR@2023

ESI HC Threshold：320

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 501

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

Affiliated Colleges：

Get Fulltext

DOI Library Discovery Baidu Scholar Search SCOPUS

Type
Departments

All Years Choose Year From to