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Browsing by Author "Lopez-Haro, Miguel"

Now showing items 1-9 of 9

Active and Regioselective Ru Single-Site Heterogeneous Catalystsfor Alpha-Olefin Hydroformylation

Escobar-Bedia, Francisco Javier; Lopez-Haro, Miguel; Calvino, Jose Juan; Martin-Diaconescu, Vlad; Simonelli, Laura; Pérez-Dieste, Virginia; Sabater Picot, Mª José; Concepción Heydorn, Patricia; Corma Canós, Avelino (American Chemical Society, 2022-04-01)

[EN] A heterogeneous ruthenium catalyst consisting ofisolated single atoms and disordered clusters stabilized in a N-doped carbon matrix has been synthesized with very good activityand remarkable regioselectivity in the ...
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 ...
Cytotoxic sub-nanometer aqueous platinum clusters as potential antitumoral agents

Greco, Rossella; García-Laínez, Guillermo; Oliver-Meseguer, Judit; Marini, Carlo; Domínguez, Irene; Lopez-Haro, Miguel; Hernandez-Garrido, Juan Carlos; Cerón-Carrasco, José Pedro; Andreu, Inmaculada; Leyva Perez, Antonio (Royal Society of Chemistry, 2022-12-06)

[EN] Ligand-free sub-nanometer metal clusters (MCs) of Pt, Ir, Rh, Au and Cu, are prepared here in neat water and used as extremely active (nM) antitumoral agents for HeLa and A2870 cells. The preparation just consists of ...
Regioirregular and catalytic Mizoroki-Heck reactions

Garnes-Portoles, Francisco; Greco, Rossella; Oliver-Meseguer, Judit; Castellanos-Soriano, Jorge; Jiménez Molero, María Consuelo; Lopez-Haro, Miguel; Hernández-Garrido, Juan Carlos; Boronat Zaragoza, Mercedes; Pérez-Ruiz, Raúl; Leyva Perez, Antonio (Nature Publishing Group, 2021-04)

[EN] The palladium-catalysed cross-coupling reaction between alkenes and aryl halides (the Mizoroki-Heck reaction) is a powerful methodology to construct new carbon-carbon bonds. However, the success of this reaction is ...
Regioselective generation and reactivity control of subnanometric platinum clusters in zeolites for high-temperature catalysis

Liu, Lichen; Lopez-Haro, Miguel; Lopes, Christian W.; Li, Chengeng; Concepción Heydorn, Patricia; Simonelli, Laura; Calvino, Jose J.; Corma Canós, Avelino (Nature Publishing Group, 2019-08)

[EN] Subnanometric metal species (single atoms and clusters) have been demonstrated to be unique compared with their nanoparticulate counterparts. However, the poor stabilization of subnanometric metal species towards ...
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 ...
Soluble/MOF-Supported Palladium Single Atoms Catalyze the Ligand-, Additive-, and Solvent-Free Aerobic Oxidation of Benzyl Alcohols to Benzoic Acids

Tiburcio, Estefanía; Greco, Rossella; Mon-Conejero, Marta; Ballesteros-Soberanas, Jordi; Ferrando-Soria, Jesus; Lopez-Haro, Miguel; Hernández-Garrido, Juan Carlos; Oliver-Meseguer, Judit; Marini, Carlo; Boronat Zaragoza, Mercedes; Armentano, Donatella; Leyva Perez, Antonio; Pardo, Emilio (American Chemical Society, 2021-02-04)

[EN] Metal single-atom catalysts (SACs) promise great rewards in terms of metal atom efficiency. However, the requirement of particular conditions and supports for their synthesis, together with the need of solvents and ...
Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites

Liu, Lichen; Lopez-Haro, Miguel; Lopes, Christian W.; Rojas-Buzo, Sergio; Concepción Heydorn, Patricia; Manzorro, Ramon; Simonelli, Laura; Sattler, Aaron; Serna, Pedro; Calvino, Jose J.; Corma Canós, Avelino (Nature Publishing Group, 2020-08)

[EN] Modulating the structures of subnanometric metal clusters at the atomic level is a great synthetic and characterization challenge in catalysis. Here, we show how the catalytic properties of subnanometric platinum ...
Tutorial: structural characterization of isolated metal atoms and subnanometric metal clusters in zeolites

Liu, Lichen; Lopez-Haro, Miguel; Calvino, Jose J.; Corma Canós, Avelino (Nature Publishing Group, 2021-04)

[EN] The encapsulation of subnanometric metal entities (isolated metal atoms and metal clusters with a few atoms) in porous materials such as zeolites can be an effective strategy for the stabilization of those metal species ...