Dynamic Processes on Gold-Based Catalysts Followed by Environmental Microscopies
AbstractSince the early discovery of the catalytic activity of gold at low temperature, there has been a growing interest in Au and Au-based catalysis for a new class of applications. The complexity of the catalysts currently used ranges from single crystal to 3D structured materials. To improve the efficiency of such catalysts, a better understanding of the catalytic process is required, from both the kinetic and material viewpoints. The understanding of such processes can be achieved using environmental imaging techniques allowing the observation of catalytic processes under reaction conditions, so as to study the systems in conditions as close as possible to industrial conditions. This review focuses on the description of catalytic processes occurring on Au-based catalysts with selected in situ imaging techniques, i.e., PEEM/LEEM, FIM/FEM and E-TEM, allowing a wide range of pressure and material complexity to be covered. These techniques, among others, are applied to unravel the presence of spatiotemporal behaviours, study mass transport and phase separation, determine activation energies of elementary steps, observe the morphological changes of supported nanoparticles, and finally correlate the surface composition with the catalytic reactivity. View Full-Text
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Genty, E.; Jacobs, L.; Bocarmé, T.V.; Barroo, C. Dynamic Processes on Gold-Based Catalysts Followed by Environmental Microscopies. Catalysts 2017, 7, 134.
Genty E, Jacobs L, Bocarmé TV, Barroo C. Dynamic Processes on Gold-Based Catalysts Followed by Environmental Microscopies. Catalysts. 2017; 7(5):134.Chicago/Turabian Style
Genty, Eric; Jacobs, Luc; Bocarmé, Thierry Visart de; Barroo, Cédric. 2017. "Dynamic Processes on Gold-Based Catalysts Followed by Environmental Microscopies." Catalysts 7, no. 5: 134.
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