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- Química Inorgánica, Cristalografía y Mineralografía - (QICM)
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- Listar QICM - Contribuciones a congresos científicos por autor
Listar QICM - Contribuciones a congresos científicos por autor "Cabeza-Díaz, Aurelio"
Mostrando ítems 1-20 de 47
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Ammonia effects on proton conductivity properties of coordination polymers
Pérez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Bazaga-García, Montse; Olivera-Pastor, Pascual
; Moreno-Real, Laureano
; Losilla, Enrique R.; Cabeza-Díaz, Aurelio
[et al.] (2016-09-22)
Crystalline metal phosphonates are referred to as a type of structurally versatile coordination polymers [1]. Many of them contain guest molecules (H2O, heterocyclics, etc.), acidic sites and, furthermore, their structure ... -
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, ... -
Effect of preparation conditions on the polymorphism and transport properties of lanthanum molybdates
Porras-Vázquez, José Manuel; López Vergara, Adrián; Infantes-Molina, Antonia
; Canales-Vázquez, J.; Cabeza-Díaz, Aurelio
; Losilla, Enrique R.; Marrero-López, David
[et al.] (2017-10-24)
In this work, La6MoO12-based compounds were investigated as part of a new family of materials very competitive as hydrogen separation membranes [1,2]. La5.4MoO11.1 was synthesized by the freeze-drying precursor method and ... -
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. ... -
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 ... -
In situ high pressure powder diffraction study of proton conductors based on metal phosphonates
Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual
; Losilla, Enrique R.; Salcedo, Inés R.; Wright, Paul A.; García-Aranda, Miguel Ángel
; Cabeza-Díaz, Aurelio
[et al.] (2015-06-30)
Soft Porous Metal Organic frameworks (MOFs) are referred to as a class of coordination polymers that exhibit structural flexibility in response to guest interactions or physical stimuli [1]. By combining softness and ... -
Metal carboxyphosphonates-based electrocatalysts
López Vergara, Adrián; El-Refaei, S.M.; Russo, Patricia A.; Vilchez, A; Losilla, Enrique R.; Porras-Vázquez, José Manuel; Olivera-Pastor, Pascual
; Pinna, N; Cabeza-Díaz, Aurelio
[et al.] (2019-10-01)
Co1-xFex-HPAA metal phosphonates were prepared and pyrolyzed under N2 and H2/Ar flows. The resulting powders were structural and electrochemically characterized by XRD and CV, respectively. The obtained materials possess ... -
New multifuncional divalent metal-coordinated sulfophosphonates: structures and proton conductivities
Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Olivera-Pastor, Pascual
; Cabeza-Díaz, Aurelio
; Demadis, Konstantinos D.[et al.] (2021-01-29)
Metal phosphonate-based coordination polymers are structurally versatile multifunctional compounds that may contain a number of acidic groups such as P-OH; SO3H, COOH, N+-H…These features result in formation of extended ... -
New Multifunctional Lanthanide and Zr(IV) Phosphonates Derived from the 5-(dihydroxyphosphoryl) Isophthalate Ligand as Proton Conductors
Salcedo, Inés R.; Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual
; Losilla, Enrique R.; Zon, Jerzy; Zareba, Jan K.; Costantino, Ferdinando; Cabeza-Díaz, Aurelio
; Bazaga-García, Montse[et al.] (2019-06-06)
Metal phosphonates are essentially acidic solids featured by groups such as P-OH, -COOH, etc. Moreover, the presence of coordination and lattice water molecules favors the formation of H-bond networks, which make these ... -
New multifunctional sulfonato-containing metal phosphonates proton conductors
Salcedo, Inés R.; Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Xanthopoulos, Konstantinos; Demadis, Konstantinos D.; Stock, Norbert; Cabeza-Díaz, Aurelio
; Ramírez-Losilla, Enrique
; Olivera-Pastor, Pascual
[et al.] (2018-10-01)
Anchoring of acidic functional groups to organic linkers acting as ligands in metal phosphonates has been demonstrate to be a valid strategy to develop new proton conductor materials, which exhibit tunable properties and ... -
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 ... -
La odisea de medir PDF con un difractómetro “convencional”
En esta ponencia se presenta la puesta a punto del difractómetro D8 Advance (Bruker S.L.) para la adquisición de datos de laboratorio de PDF (Pair Distribution Function) junto con los resultados obtenidos. -
Phase Composition and Transport Properties of oxide ion conductors based on Sr1-xKxGeO3-x/2
Dos-Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Fernández-Palacios, Sara; Compaña Prieto, José Manuel; Cabeza-Díaz, Aurelio
(2015-07-13)
Oxide ion conductors have been increasingly studied because of their potential applications in different electrochemical devices, such as, oxygen sensors, membranes for oxygen separation and components of fuel cells. Solid ... -
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 ...