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Effect of nanostructured support on the WGSR activity of Pt/CeO₂ catalysts

Lookup NU author(s): Dr Francisco Garcia Garcia

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Abstract

The water gas shift catalytic activity and methane selectivity of Pt/CeO2 catalysts are shown to be strongly dependent on the platinum-ceria interaction. Platinum nanoparticles supported on nanostructured ceria rods present a higher hydrogen yield and lower methane selectivity than its counterpart catalysts supported on ceria nanopartides or nanocubes, despite the similitude in platinum particle size. Indeed, the constraints of the 1D crystal structure of the ceria nanorods and the selective exposure of the (110) crystal plane are directly related to its superior catalytic activity. Platinum nanoparticles do not only act as active sites for CO adsorption and oxidation but also affect the reducibility of the support (C) 2015 Elsevier B.V. All rights reserved.

Publication metadata

Author(s): Torrente-Murciano L, Garcia-Garcia FR

Publication type: Article

Publication status: Published

Journal: Catalysis Communications

Year: 2015

Volume: 71

Pages: 1-6

Print publication date: 05/11/2015

Online publication date: 31/07/2015

Acceptance date: 28/07/2015

ISSN (print): 1566-7367

ISSN (electronic): 1873-3905

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.catcom.2015.07.021

DOI: 10.1016/j.catcom.2015.07.021

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