Listar por autor "Vílchez-Cózar, Álvaro"
Mostrando ítems 1-20 de 23
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Applications of N,N-bis(phosphonomethyl)glycine-derived Sn4+ or Co2+ phosphonates as proton conductors or energy-conversion electrocatalysts.
Cañamero-Cebrián, Fernando; Pérez-Colodrero, Rosario Mercedes
; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Ramírez-Losilla, Enrique; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio[et al.] (2023)
Metal phosphonates (MPs), a subclass of coordination polymers, may exhibit acidic groups such as POH, SO3H, COOH, N+-H, etc. Combining these features with electrocatalytically active transition metals, make them highly ... -
Cobalt phosphinates as precursors of cobalt phosphide electrocatalysts
Vílchez-Cózar, Álvaro; Cabeza-Díaz, Aurelio; Bazaga-García, Montse; Visa, Aurelia; Ilia, Gheorghe; Olivera-Pastor, Pascual; Pérez-Colodrero, Rosario Mercedes[et al.] (2022-02-03)
The scarcity and high cost of Pt and Ru/Ir-based noble metal electrocatalysts forces to design alternative low-cost and efficient materials for sustainable energy storage and conversion technologies. Among them, ... -
Electrocatalytic properties of cobalt phosphides and pyrophosphates derived from phosphonate-based-MOFs
Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Cañamero-Cebrián, Fernando; Olivera-Pastor, Pascual[et al.] (2022)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO32−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Electrocatalytic properties of metal hydroxy-phosphonoacetate derivatives for OER, ORR and HER
Pérez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; López González, María del Mar; Cabeza-Díaz, Aurelio; Del Río, Carmen[et al.] (2021)
Although Pt and Ru/Ir-based noble metal materials are the state-of-the-art electrocatalysts for energy storage and conversion, their applications are still limited by their scarcity and high price. Therefore, the design ... -
Electrocatalytic properties of spray-drying-synthesized cobalt or nickel phosphonate-derived materials.
Cabeza-Díaz, Aurelio; Vílchez-Cózar, Álvaro; Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Cañamero-Cebrián, Fernando; Olivera-Pastor, Pascual[et al.] (2023)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO32−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Exploiting Multifunctionality of M2+ (M=Co2+, Ni2+) Phosphides for Electrocatalysis toward HER, OER and ORR
Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio (2022-07)
INTRODUCTION The scarcity and high cost of Pt and Ru/Ir-based noble metal electrocatalysts forces to design alternative low-cost and efficient materials for sustainable energy storage and conversion technologies1. ... -
Exploiting the Multifunctionality of M2+/Imidazole−Etidronates for Proton Conductivity (Zn2+) and Electrocatalysis (Co2+, Ni2+) toward the HER, OER, and ORR
Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, Maria; Visa, Aurelia; Bazaga-García, Montse; Olivera-Pastor, Pascual; Choquesillo-Lazarte, Duane; Marrero-López, David; Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes; Demadis, Konstantinos D.[et al.] (American Chemical Society, 2022-02-22)
This work deals with the synthesis and characterization of one-dimensional (1D) imidazole-containing etidronates, [M2(ETID)(Im)3]·nH2O (M = Co2+ and Ni2+; n = 0, 1, 3) and Zn2(ETID)2(H2O)2](Im)2, as well as the corresponding ... -
Imidazole-containing Co2+ and Ni2+ etidronates: crystal structures and electrochemical behaviour
Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, M.; Visa, Aurelia; Choquesillo-Lazarte, Duane; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio; Demadis, Konstantinos D.[et al.] (2021)
Metal phosphonates-based coordination polymers (CPs) are known to exhibit versatile structural diversity and functionality. Thus, they have been used, among other applications, as electrocatalyst precursors for both, PEMFCs ... -
Implementing Pair Distribution Function analysis to rationalize the water-splitting activity of Co-phosphonate-derived electrocatalysts.
Pérez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Cañamero-Cebrián, Fernando; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio[et al.] (2023)
Pair Distribution Function analysis (PDF) is a total X-ray scattering technique, including the diffuse scattering and the Bragg diffraction. Thus, PDF can be used to characterize structural domains of amorphous solids to ... -
Modification of the Textural Properties of Chitosan to Obtain Biochars for CO2-Capture Processes
Barroso-Martín, Isabel; Cecilia-Buenestado, Juan Antonio; Vilarrasa García, Enrique; Ballesteros-Plata, Daniel; Jiménez Gómez, Carmen Pilar; Vílchez-Cózar, Álvaro; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique[et al.] (IOAP-MDPI, 2022-12-01)
Three chitosans with different morphologies have been used (commercial chitosan powder, chitosan in film form and chitosan in globular form synthesized by the freeze-dried method) for the synthesis of biochars. The pyrolytic ... -
New Multifunctional Zirconium(IV) Phosphonates Derivativesas Proton Conductors and Catalysts
Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual; Zareba, Jan K.; Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio; Olivera-Pastor, Pascual; Zon, Jerzy; Cecilia-Buenestado, Juan Antonio[et al.] (2023)
Coordination polymers based in phosphonic acid display a wide range of metalcoordination modes. Moreover, the existence of acidic P-OH groups in their structure, as well as of others functionalized organic group such as ... -
Preparation and characterization of phosphorus-containing electrocatalyst for OER, HER and ORR.
Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes (2022-11)
Phosphorus-based materials, such as transition metal phosphides and phosphates/pyrophosphates, have drawn considerable attention as promising alternatives to noble metal-based catalysts (Pt, Ru, Ir) owing to their widely ... -
Preparation of N-doped Carbon/Metal Phosphides as Promising Trifunctional Electrocatalysts Toward the OER, ORR and HER
Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Marrero-López, David; Olivera-Pastor, Pascual; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes[et al.] (2022-07-27)
Sustainable energy storage and conversion technologies, such as electrochemical water splitting and fuel cells, attracts increasing attention as alternative processes to advance toward a global decarbonation. However, the ... -
Proton Conduction Properties of Metal phosphonates and Application as Fillers in PEMFCs
Bazaga-García, Montse; Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual[et al.] (2022-07)
Metal phosphonate (MP)-based coordination polymers (CPs) are structurally versatile multifunctional compounds containing different acidic groups such as P-OH; SO3H, COOH, N+-H, etc. These features result in the formation ... -
Proton conductivity properties of novel tin(II) phosphonates
Cañamero-Cebrián, Fernando; Cabeza-Díaz, Aurelio; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Ramírez-Losilla, Enrique; Olivera-Pastor, Pascual; Pérez-Colodrero, Rosario Mercedes[et al.] (2024-01-16)
Metal phosphonates (MPs), a subclass of coordination polymers, may exhibit acidic groups such as P-OH, SO3H, COOH, N+-H, etc. Combining these features with interesting metals make them highly appealing in the field of fuel ... -
Structural Characterization of Transition-Metal Carboxyethanephosphonates as Precursors of Electrocatalysts
Sánchez Caballero, Abraham; Vílchez-Cózar, Álvaro; Cabeza-Díaz, Aurelio; Bazaga-García, Montse; Olivera-Pastor, Pascual; Pérez-Colodrero, Rosario Mercedes[et al.] (2023)
Phosphorus-containing coordination polymers (CPs) are considered as one of the most promising precursors of materials alternative to the highly expensive commercial catalysts (Pt, Ru and Ir) used in polymeric fuel cells ... -
Synthesis and antibacterial activity of bimetallic carboxyphosphonates
Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual; Hix, Gary B.; Bazaga-García, Montse[et al.] (2023)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO3 2−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Synthesis and Electrochemical properties of metal(II)- carboxyethylphenylphosphinates
Bazaga-García, Montse; Vílchez-Cózar, Álvaro; Maranescu, Bianca; Olivera-Pastor, Pascual; Marganovici, Marko; Ilia, Gheorghe; Cabeza-Díaz, Aurelio; Visa, Aurelia; Pérez-Colodrero, Rosario Mercedes[et al.] (Royal Society of Chemistry, 2021)
We report herein the synthesis, structural characterization and electrocatalytic properties of three new coordination polymers, resulting from the combination of divalent metal (Ca2+, Cd2+ or Co2+) salts with (2-carboxy ... -
Synthesis, structural characterization and electrocatalytic properties of cobalt phosphides and pyrophosphates derived from glyphosine
Cañamero-Cebrián, Fernando; Vílchez-Cózar, Álvaro; Cabeza-Díaz, Aurelio; Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Olivera-Pastor, Pascual[et al.] (2023)
Metal phosphonates (MPs), a subclass of coordination polymers, result from the bonding of phosphonic acids (RPO32-) with metal ions, giving rise to an uniformly dispersion of the metal sites at the atomic scale. This ... -
Transition metal hydroxyphosphonoacetates as precursors of electrocatalysts
Vílchez-Cózar, Álvaro; Pérez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Salcedo, Inés R.; Olivera-Pastor, Pascual; Cabeza-Díaz, Aurelio; López Vergara, Adrián[et al.] (2021-01-29)
Coordination polymers (PCs) are widely studied due to their applicability in many fields. Among them, metal phosphonates are attractive materials due to their great structural and functional diversity, as proton conductors ...