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Artículos Encontrados 37 registros  anterior11 - 20siguientefinal  ir al registro: La búsqueda tardó 0.00 segundos. 
11.
7 p, 1.1 MB Vanadium Imido NHC Complexes for Ring-Closing Olefin Metathesis Reactions / Tejeda, Gabriela (Florida International University. Department of Chemistry and Biochemistry) ; Belov, Dmitry S. (Florida International University. Department of Chemistry and Biochemistry) ; Fenoll, Didac A. (Universitat Autònoma de Barcelona. Departament de Química) ; Rue, Kelly L. (Florida International University. Department of Chemistry and Biochemistry) ; Tsay, Charlene (University of California. Department of Chemistry) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Bukhryakov, Konstantin V. (Florida International University. Department of Chemistry and Biochemistry)
Vanadium bis-phosphine imido and oxo chloride alkylidenes have been extensively applied in the ring-closing metathesis of various acyclic olefins. However, their reactions involving ethylene have shown limited productivity due to rapid decomposition. [...]
2022 - 10.1021/acs.organomet.2c00013
Organometallics, Vol. 41, Issue 4 (February 2022) , p. 361-365  
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12.
7 p, 1.1 MB Synthesis and Activity of Vanadium Oxo NHC Alkylidenes. Remarkable Preference for Degenerate Metathesis and Application for Carbon Isotope Exchange / Belov, Dmitry S. (Florida International University. Department of Chemistry and Biochemistry) ; Acosta, Carlos M. (Florida International University. Department of Chemistry and Biochemistry) ; Garcia-Molina, Miquel (Universitat Autònoma de Barcelona. Departament de Química) ; Rue, Kelly L. (Florida International University. Department of Chemistry and Biochemistry) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Bukhryakov, Konstantin V. (Florida International University. Department of Chemistry and Biochemistry)
V imido NHC phosphine alkylidenes are the most efficient V catalysts for ring-closing olefin metathesis of various terminal dienes. The presence of imido and phosphine ligands is responsible for catalyst decomposition. [...]
2022 - 10.1021/acs.organomet.2c00465
Organometallics, Vol. 41, Issue 21 (November 2022) , p. 2897-2902  
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13.
37 p, 1.5 MB Influence of ligands and oxidation state on the reactivity of pentacoordinated iron carbenes with olefins : metathesis versus cyclopropanation / de Brito Sá, Égil (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
DFT (OPBE) calculations have been used to explore how the nature of the ligands, the coordination around the metal center, and the formal iron oxidation state tunes the ground state multiplicity of L4Fe=CH2 carbenes and influences their reactivity with olefins. [...]
2018 - 10.1021/acs.organomet.7b00786
Organometallics, Vol. 37, issue 8 (April 2018) , p. 1229-1241  
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14.
42 p, 10.7 MB BCN-M : a free computational tool for generating Wulff-like nanoparticle models with controlled stoichiometry / González, Danilo (Universitat Autònoma de Barcelona. Departament de Química) ; Camino, Bruno (Universitat Autònoma de Barcelona. Departament de Química) ; Heras-Domingo, Javier (Universitat Autònoma de Barcelona. Departament de Química) ; Rimola, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química)
A thorough knowledge of the atomic structure of nanomaterials is of high importance to understand their properties. This requires developing nanoparticle models, which is not always straightforward, particularly in the case of nonpure metallic systems. [...]
2020 - 10.1021/acs.jpcc.9b10506
Journal of physical chemistry. C, Vol. 124, issue 1 (Jan. 2020) , p. 1227-1237  
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15.
11 p, 1.9 MB Surface morphology controls water dissociation on hydrated IrO2 nanoparticles / González, Danilo (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
Iridium oxide is a highly efficient catalyst for the oxygen evolution reaction, whose large-scale application requires decreasing the metal content. This is achieved using small nanoparticles. The knowledge of the water-IrO2 nanoparticle interface is of high importance to understand the IrO2 behavior as electrocatalyst in aqueous solutions. [...]
2021 - 10.1039/d1nr03592d
Nanoscale, Vol. 13, Issue 34 (September 2021) , p. 14480-14489  
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16.
9 p, 1.7 MB Enhancing magneto-ionic effects in cobalt oxide films by electrolyte engineering / Martins, Sofia (Universitat Autònoma de Barcelona. Departament de Física) ; Ma, Zheng (Universitat Autònoma de Barcelona. Departament de Física) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ; Pellicer Vilà, Eva Maria (Universitat Autònoma de Barcelona. Departament de Física) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Electric-field-driven ion motion to tailor magnetic properties of materials (magneto-ionics) offers much promise in the pursuit of voltage-controlled magnetism for highly energy-efficient spintronic devices. [...]
2023 - 10.1039/D2NH00340F
Nanoscale horizons, Vol. 8, Issue 1 (January 2023) , p. 118-126  
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17.
9 p, 1.3 MB Metal coordination determines the catalytic activity of IrO2 nanoparticles for the oxygen evolution reaction / González, Danilo (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
H2 production through water electrolysis is a promising strategy for storing sunlight energy. For the oxygen evolution reaction, iridium oxide containing materials are state-of-the-art due to their stability in acidic conditions. [...]
2022 - 10.1016/j.jcat.2022.05.023
Journal of Catalysis, Vol. 412 (August 2022) , p. 78-86  
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18.
15 p, 11.8 MB Controlling the formation of two concomitant polymorphs in Hg(II) coordination polymers / Sánchez Férez, Francisco (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Calvet, Teresa (Universitat de Barcelona. Departament de Mineralogia, Petrologia i Geologia Aplicada) ; Font-Bardia, Mercè (Universitat de Barcelona. Centres Científics i Tecnològics) ; Pons Picart, Josefina (Universitat Autònoma de Barcelona. Departament de Química)
Controlling the formation of the desired product in the appropriate crystalline form is the fundamental breakthrough of crystal engineering. On that basis, the preferential formation between polymorphic forms, which are referred to as different assemblies achieved by changing the disposition or arrangement of the forming units within the crystalline structure, is one of the most challenging topics still to be understood. [...]
2022 - 10.1021/acs.inorgchem.1c03762
Inorganic chemistry, (March 2022)
2 documentos
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19.
10 p, 1.9 MB Importance of the oxyl character on the IrO2 surface dependent catalytic activity for the oxygen evolution reaction / González, Danilo (Universitat Autònoma de Barcelona. Departament de Química) ; Heras-Domingo, Javier (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
The oxygen evolution reaction catalyst optimization is hindered because in the desirable acidic conditions the sole active catalysts are RuO and IrO. Thus, the understanding of the factors controlling the reactivity of these materials is mandatory. [...]
2021 - 10.1016/j.jcat.2021.02.026
Journal of Catalysis, Vol. 396 (April 2021) , p. 192-201  
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20.
15 p, 1.7 MB Effect of Lewis Acids on the Catalyst Activity for Alkene Metathesis, Z-/E- Selectivity and Stability of Tungsten Oxo Alkylidenes / Merino, J. Haydée (Universitat Autònoma de Barcelona. Departament de Química) ; Bernad, Jesús (Universitat Autònoma de Barcelona. Departament de Química) ; Solans Monfort, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
Lewis acids increase the catalytic activity of classical heterogeneous catalysts and molecular d tungsten oxo alkylidenes in a variety of olefin metathesis processes. The formation of labile adducts between the metal complex and the Lewis acid has been observed experimentally and suggested to be involved in the catalyst activity increase. [...]
2021 - 10.1007/s11244-021-01534-w
Topics in Catalysis, Vol. 65 (November 2021)  
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Artículos : Encontrados 37 registros   anterior11 - 20siguientefinal  ir al registro:
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