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Hierarchically organized metal supported carbon catalysts for C-C bond forming reactions by Seila Martín-García; Fernando Rubio-Marcos; Vanesa Calvino-Casilda is a Materials Science article available to read on EtoBox.

What is Hierarchically organized metal supported carbon catalysts for C-C bond forming reactions about?

The preparation of heterogeneous catalysts is decisive to the development of catalytic processes that are environmentally acceptable. Therefore, the methodology used in the preparation of such catalysts is a key factor in the development of high catalytic activity and with concern to environmental value. Herein, we report the design of catalysts by dispersing nanoparticles of cobalt oxide (Co3O4) on micrometric supports of zinc oxide (ZnO) and activated carbon (AC) using a fast and green methodology free of waste and solvents and with a low-energy consumption. In particular, the partial reaction that takes place, at room temperature, between both metal oxides and between these oxides and AC, due to proximity and diffusion effects of the corresponding materials, results in the formation of different interfaces (ZnCo, ZnAC, CoAC Co-Co). Specifically, such interfaces are new reactive surfaces that lead to very interesting and innovative properties. Thus, depending on its application, it is possible to control and modify the catalytic properties (activity / conversion / selectivity) of a solid by tuning surface and interface. This fact is proved in the model reaction of Knoevenagel con

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Author

Seila Martín-García; Fernando Rubio-Marcos; Vanesa Calvino-Casilda

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)