http://www.cnr.it/ontology/cnr/individuo/prodotto/ID263157

Steering the chemistry of carbon oxides on a NiCu catalyst (Articolo in rivista)

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Steering the chemistry of carbon oxides on a NiCu catalyst (Articolo in rivista) (literal)

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Vesselli, E, Monachino, E, Rizzi, M, Furlan, S, Duan, X, Dri, C, Peronio, A, Africh, C, Lacovig, P, Baldereschi, A, Comelli, G, Peressi, M (2013)
Steering the chemistry of carbon oxides on a NiCu catalyst
in ACS catalysis; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
(literal)

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Vesselli, E, Monachino, E, Rizzi, M, Furlan, S, Duan, X, Dri, C, Peronio, A, Africh, C, Lacovig, P, Baldereschi, A, Comelli, G, Peressi, M (literal)

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a Physics Department and CENMAT, University of Trieste, via Valerio 2, I-34127 Trieste, Italy b IOM-CNR Laboratorio TASC, Area Science Park, S.S. 14 km 163.5, I-34149 Basovizza (Trieste), Italy c Physics Department, University of Trieste, Strada Costiera 11, I-34151 Trieste, Italy d Institute of Theoretical Physics, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland e Department of Physics, Ningbo University, 818 Fenghua Road, Jiangbei District, 315211 Ningbo, China f Elettra-Sincrotrone Trieste S.C.p.A., Area Science Park, S.S. 14 km 163.5, I-34149 Trieste, Italy g IOM-CNR DEMOCRITOS, Trieste, Italy h IOM-CNR DEMOCRITOS, Theory-Elettra Group, Trieste, Italy i Italian Consortium on Materials Science and Technology (INSTM), Italy (literal)

Titolo

Abstract

In the perspective of a sustainable energy economy, CO2 reduction is attracting increasing attention as a key step toward the synthesis of fuels and valuable chemicals. A possible strategy to develop novel conversion catalysts consists in mimicking reaction centers available in nature, such as those in enzymes in which Fe, Ni, and Cu play a major role as active metals. In this respect, NiCu shows peculiar activity for both water-gas shift and methanol synthesis reactions. The identification of useful descriptors to engineer and tune the reactivity of a surface in the desired way is one of the main objectives of the science of catalysis, with evident applicative interest, as in this case. To this purpose, a crucial issue is the determination of the relevant active sites and rate-limiting steps. We show here that this approach can be exploited to design and tailor the catalytic activity and selectivity of a NiCu surface. (literal)

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