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Rapid phase fluxionality as the determining factor in activity and selectivity of highly dispersed, Rh/Al2O3 in deNO(x) catalysis

Rapid phase fluxionality as the determining factor in activity and selectivity of highly dispersed, Rh/Al2O3 in deNO(x) catalysis
Rapid phase fluxionality as the determining factor in activity and selectivity of highly dispersed, Rh/Al2O3 in deNO(x) catalysis
The nature of oxide-supported metal catalysts may change in oxidising conditions: Studies on the correlation between the Rh phase in the structure of the Rh/AL2O3 catalyst and the catalytic performance for the reduction of NO by H2 to N2 (on reduced, metallic sites) and N2O (on oxidised sites) reveal that the phases of the supported metal species can be interconverted on time scales that can be deterministic in temrs of the activity and selectivity of the catalysts.
heterogeneous catalysis, nanostructures, rhodium, structure-activity relationships, x-ray absorption spectroscopy, absorption fine-structure, structure spectroscopy, co, chemisorption, reduction, exafs, no
1433-7851
2587-2589
Newton, Mark A.
73aab2af-4641-47f3-89ad-3b7d3026164f
Dent, Andrew J.
24c2a218-cb0e-4193-af0b-3ff1dc42b552
Diaz-Moreno, Sofia
4e280df3-7f62-4280-8058-2803c740ae00
Evans, John
05890433-0155-49fe-a65d-38c90ea25c69
Fiddy, Steven G.
f6c255cf-6aa1-4798-85ca-1a2ccdaa1186
Newton, Mark A.
73aab2af-4641-47f3-89ad-3b7d3026164f
Dent, Andrew J.
24c2a218-cb0e-4193-af0b-3ff1dc42b552
Diaz-Moreno, Sofia
4e280df3-7f62-4280-8058-2803c740ae00
Evans, John
05890433-0155-49fe-a65d-38c90ea25c69
Fiddy, Steven G.
f6c255cf-6aa1-4798-85ca-1a2ccdaa1186

Newton, Mark A., Dent, Andrew J., Diaz-Moreno, Sofia, Evans, John and Fiddy, Steven G. (2002) Rapid phase fluxionality as the determining factor in activity and selectivity of highly dispersed, Rh/Al2O3 in deNO(x) catalysis. Angewandte Chemie International Edition, 41 (14), 2587-2589. (doi:10.1002/1521-3773(20020715)41:14<2587::AID-ANIE2587>3.0.CO;2-0).

Record type: Article

Abstract

The nature of oxide-supported metal catalysts may change in oxidising conditions: Studies on the correlation between the Rh phase in the structure of the Rh/AL2O3 catalyst and the catalytic performance for the reduction of NO by H2 to N2 (on reduced, metallic sites) and N2O (on oxidised sites) reveal that the phases of the supported metal species can be interconverted on time scales that can be deterministic in temrs of the activity and selectivity of the catalysts.

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More information

Published date: 15 July 2002
Keywords: heterogeneous catalysis, nanostructures, rhodium, structure-activity relationships, x-ray absorption spectroscopy, absorption fine-structure, structure spectroscopy, co, chemisorption, reduction, exafs, no

Identifiers

Local EPrints ID: 19829
URI: http://eprints.soton.ac.uk/id/eprint/19829
ISSN: 1433-7851
PURE UUID: d0e3774c-b847-460b-bd98-714d7ce2cbae

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Date deposited: 21 Feb 2006
Last modified: 08 Jan 2022 03:47

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Contributors

Author: Mark A. Newton
Author: Andrew J. Dent
Author: Sofia Diaz-Moreno
Author: John Evans
Author: Steven G. Fiddy

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