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Listar por autor "Cabeza-Díaz, Aurelio"
Mostrando ítems 21-40 de 86
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High-Throughput Synthesis of Pillared-Layered Magnesium Tetraphosphonate Coordination Polymers: Framework Interconversions and Proton Conductivity Studies
Pérez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Bazaga-García, Montse; Barouda, Eleni; Papadaki, Maria; Papathanasiou, Konstantinos E.; Hernández Alonso, Daniel; Rius, Jordi; García-Aranda, Miguel Ángel; Ramírez-Losilla, Enrique; Olivera-Pastor, Pascual; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio[et al.] (MDPI, www.mdpi.com/journal/inorganics, 2018-09-11)Novel pillared-layered framework materials were synthesized by high-throughput or microwave-assisted methodology that contain Mg2+ and the zwitterionic linker HDTMP (hexamethylenediamine-N,N,N0,N0-tetrakis(methylenephosphonic ... -
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 ... -
Influence of Proton Conducting Cations on the Structure and Properties of 2D Anilate-Based Magnets
Palacios Corella, Mario; Fernández Espejo, Alejandro; Bazaga-García, Montse; Ramírez-Losilla, Enrique; Cabeza-Díaz, Aurelio; Clemente-León, Miguel; Coronado, Eugenio[et al.] (ACS publications, 2017-11-01)The syntheses, structures, magnetic, and proton conductivity properties of a family of bimetallic anilate-based compounds with inserted alkylammonium cations are presented. The structures of (Me2NH2)[MnIICrIII(Br2An)3]·2H2O ... -
Insights into the Dynamics of Grotthuss Mechanism in a Proton- Conducting Chiral bioMOF
Grancha, Thais; Ferrando-Soria, Jesús; Cano, Joan; Amorós, Pedro; Seoane, Beatriz; Gascón, Jorge; Bazaga-García, Montse; Losilla, Enrique R.; Cabeza-Díaz, Aurelio; Armentano, Donatella; Pardo, Emilio[et al.] (American Chemical Society, 2016-06-13)Proton conduction in solids attracts great interest, not only because of possible applications in fuel cell technologies, but also because of the main role of this process in many biological mechanisms. Metal−organic frameworks ... -
Layered Lanthanide Sulfophosphonates and Their Proton Conduction Properties in Membrane Electrode Assemblies
Bazaga-García, Montse; Salcedo, Inés R.; Pérez-Colodrero, Rosario Mercedes; Xanthopoulos, Konstantinos; Villemin, Didier; Stock, Norbert; López-González, Mar; Del Río, Carmen; Ramírez-Losilla, Enrique; Cabeza-Díaz, Aurelio; Demadis, Konstantinos D.; Olivera-Pastor, Pascual[et al.] (ACS publications, 2019-11-07)Metal phosphonates containing acidic groups exhibit a wide range of proton conduction properties, which may enhance the performance of membrane electrode assemblies (MEAs). In this work, focus is placed on proton conduction ... -
Luminescent and Proton Conducting Lanthanide Coordination Networks Based On a Zwitterionic Tripodal Triphosphonate
Bazaga-García, Montse; Angeli, Giasemi K.; Papathanasiou, Konstantinos E.; Salcedo, Inés R.; Olivera-Pastor, Pascual; Losilla, Enrique R.; Choquesillo-Lazarte, Duane; Hix, Gary B.; Cabeza-Díaz, Aurelio; Demadis, Konstantinos D.[et al.] (American Chemical Society, 2016-07-14)The synthesis, structural characterization, luminescence properties, and proton conduction performance of a new family of isostructural cationic 2D layered compounds are reported. These have the general formula ... -
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 ... -
Multifunctional lanthanum tetraphosphonates: Flexible, ultramicroporous and proton-conducting hybrid frameworks
Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Losilla, Enrique R.; García-Aranda, Miguel Ángel; León-Reina, Laura; Papadaki, M.; McKinlay, Alistair C.; Morris, Russell E.; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio[et al.] (The Royal Society of Chemistry, 2012)A new flexible ultramicroporous solid, La(H5DTMP)·7H2O (1), has been crystallized at room temperature using the tetraphosphonic acid H8DTMP, hexamethylenediamine-N,N,N′,N′-tetrakis(methylenephosphonic acid). Its crystal ... -
Multifunctional Luminescent and Proton-Conducting Lanthanide Carboxyphosphonate Open-Framework Hybrids Exhibiting Crystalline-to-Amorphous-to-Crystalline Transformations
Pérez-Colodrero, Rosario Mercedes; Papathanasiou, Konstantinos E.; Stavgianoudaki, Nikoleta; Olivera-Pastor, Pascual; Losilla, Enrique R.; García-Aranda, Miguel Ángel; León-Reina, Laura; Sanz, Jesús; Sobrados, Isabel; Choquesillo-Lazarte, Duane; García-Ruíz, Juan M.; Atienzar, Pedro; Rey, Fernando; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio[et al.] (American Chemical Society, 2012-09-15)The chemistry of metal phosphonates has been progressing fast with the addition of new materials that possess novel structural features and new properties, occasionally in a cooperative manner. In this paper, we report a ... -
Multifunctional metal phosphonate frameworks for proton conductivity and photocatalysis
Bazaga-García, Montse (Servicio de Publicaciones y Divulgación Científica, 2015)A lo largo de este trabajo de investigación han sido estudiadas las propiedades de conducción protónica, fotocatálisis y fotoluminiscencia de fosfonatos metálicos multifuncionales, preparados por incorporación de iones ... -
New directions in metal phosphonate and fhosphinate chemistry
Shearan, Stephen J.I.; Stock, Norbert; Emmerling, Franziska; Demel, Jan; Wright, Paul A.; Demadis, Konstantinos D.; Vassaki, Maria; Costantino, Ferdinando; Vivani, Riccardo; Sallard, Sébastien; Salcedo, Inés R.; Cabeza-Díaz, Aurelio; Taddei, Marco[et al.] (MDPI www.mdpi.com/journal/crystals, 2019-05-24)In September 2018, the First EuropeanWorkshop on Metal Phosphonates Chemistry brought together some prominent researchers in the field of metal phosphonates and phosphinates with the aim of discussing past and current ... -
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 ... -
NH3/H2O-mediated proton conductivity and photocatalytic behaviour of Fe(II)-hydroxyphosphonoacetate and M(II)-substituted derivatives
Salcedo, Inés R.; Bazaga-García, Montse; Cuesta-García, Ana María; Ramírez-Losilla, Enrique; Demadis, Konstantinos D.; Olivera-Pastor, Pascual; Pérez-Colodrero, Rosario Mercedes; Cabeza-Díaz, Aurelio[et al.] (The Royal Society of Chemistry, 2019-12-27)Synthesis redesign and derivatisation of Fe(II)-hydroxyphosphonoacetate, incorporating different ammonia loads and M(II) isomorphic substitutions (M = Mn, Co and Zn), have been implemented. The NH3 adsorption led to materials ... -
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 ...