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Listar por autor "Meira, Debora M."

Mostrando ítems 1-5 de 5

Atomic-level understanding on the evolution behavior of subnanometric Pt and Sn species during high-temperature treatments for generation of dense PtSn clusters in zeolites

Liu, Lichen; Lopez-Haro, Miguel; Wittee Lopes, Christian; MEIRA, DEBORA M.; Concepción Heydorn, Patricia; Calvino, José J.; Corma Canós, Avelino (Elsevier, 2020-11)

[EN] To achieve high-loading of stable subnanometric metal clusters on solid carriers is a challenge since those small metal clusters have strong tendency to sinter into larger nanoparticles. Development of facile synthesis ...
Determination of the Evolution of Heterogeneous Single Metal Atoms and Nanoclusters under Reaction Conditions: Which Are the Working Catalytic Sites?

Liu, Lichen; MEIRA, DEBORA M.; Arenal, Raul; Concepción Heydorn, Patricia; Puga, Alberto V.; Corma Canós, Avelino (American Chemical Society, 2019-12-06)

[EN] Identification of active sites in heterogeneous metal catalysts is critical for understanding the reaction mechanism at the molecular level and for designing more efficient catalysts. Because of their structural ...
Generation of gold nanoclusters encapsulated in an MCM-22 zeolite for the aerobic oxidation of cyclohexane

Liu, Lichen; Arenal, Raul; Meira, Debora M.; Corma Canós, Avelino (The Royal Society of Chemistry, 2019-02-07)

[EN] In this work, we will report the generation of Au clusters in a purely siliceous MCM-22 zeolite. The catalytic properties of these Au clusters have been tested for the selective oxidation of cyclohexane to cyclohexanol ...
MOF-Mediated Synthesis of Supported Fe-Doped Pd Nanoparticles under Mild Conditions for Magnetically Recoverable Catalysis

Darawsheh, Mohanad D.; Mazarío-Santa-Pau, Jaime; Lopes, Christian W.; Gimenez-Marques, Monica; Domine, Marcelo Eduardo; Meira, Debora M.; Martínez, Jordan Santiago; Minguez Espallargas, Guillermo; Oña-Burgos, Pascual (John Wiley & Sons, 2020-10-27)

[EN] Metal-organic framework (MOF)-driven synthesis is considered as a promising alternative for the development of new catalytic materials with well-designed active sites. This synthetic approach is used here to gradually ...
Regioselective Generation of Single-Site Iridium Atoms and Their Evolution into Stabilized Subnanometric Iridium Clusters in MWW Zeolite

Liu, Lichen; Lopez-Haro, Miguel; Meira, Debora M.; Concepción Heydorn, Patricia; Calvino, Jose J.; Corma Canós, Avelino (John Wiley & Sons, 2020-09-01)

[EN] Preparation of supported metal catalysts with uniform particle size and coordination environment is a challenging and important topic in materials chemistry and catalysis. In this work, we report the regioselective ...