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Listar por autor "Olivera-Pastor, Pascual"
Mostrando ítems 1-20 de 20
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Ammonia effects on proton conductivity properties of coordination polymers
Colodrero, Rosario M.P.; Salcedo, Inés R.; Bazaga-García, Montse; Olivera-Pastor, Pascual; Moreno-Real, Laureano; [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 ... -
Composición, morfología y biocompatibilidad de cementos dentales de fosfato de zinc modificados con aditivos de calcio
Arjona Pulido, Fátima (2018-03-22)Se han preparado y caracterizado biomateriales dentales basados en fosfato de zinc, con el propósito de estudiar los efectos de varios aditivos de calcio en su composición, morfología y bioactividad. Un primer estudio ... -
Metal carboxyphosphonates-based electrocatalysts
López-Vergara, Adrián; El-Refaei, S.M.; Russo, P.A.; Vilchez, A; Losilla, Enrique R.; [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 metal phosphonate frameworks for proton conductivity and photocatalysis
Bazaga-García, Antonia Montserrat (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 Multifunctional Lanthanide and Zr(IV) Phosphonates Derived from the 5-(dihydroxyphosphoryl) Isophthalate Ligand as Proton Conductors
Salcedo, Inés R.; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Losilla, Enrique R.; Zon, Jerzy; [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
Ruiz Salcedo, Inés; Bazaga García, Montse; Pérez Colodrero, Rosario Mercedes; Xanthopoulos, Konstantinos; Demadis, Konstantinos; [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 ... -
Photocatalytic behavior of phosphonate-based hybrid materials on dyes and phenols degradation
Bazaga-García, Montse; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Santacruz, Isabel; Aranda, Miguel A. G. (2013-09-25)There is increasing interest in using heterogeneous catalysis for mineralization of organic pollutants. Within Advanced Oxidation Processes (AOPs), Photo-Fenton reaction is one of the most efficient methodologies. To ... -
Proton conductivity and luminiscence properties of lanthanide aminotriphosphonates
Bazaga-García, Montse; Angeli, Giasemi K.; Papathanasiou, Konstantinos E.; Salcedo, Inés R.; Olivera-Pastor, Pascual; [et al.] (2016)Metal phosphonates are multifunctional solids with tunable properties, such as internal H-bond networks, and high chemical and thermal stability [1]. In the present work, we describe the synthesis, structural characterization, ... -
Proton conductivity of lanthanide nitrilotris-methylphosphonates
R.Salcedo, Inés; Bazaga-García, Montse; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Losilla, Enrique R.; [et al.] (2017-07-10)Multifunctional metal phosphonates are acidic coordination polymers (CPs) with remarkable stability and proton conducting properties owing to their structure is usually composed of extended hydrogen-bond networks that favor ... -
Proton Conductors based on Metal Phosphonate Hybrid Materials for PEM Fuel Cells
Cabeza-Diaz, Aurelio; Colodrero, Rosario M. P.; Bazaga-García, Montse; Hernández Alonso, Daniel; Compaña Prieto, José Manuel; [et al.] (2014-06-25)The necessity of energy and power generation is constantly growing. Fossils fuels are quickly becoming unsatisfactory substrates due to both their emission of pollutants and their finite expectancy. Fuel cells are one of ... -
PXRD and PDF analysis of multifunctional lanthanide nitrilotris-methylphosphonate-based proton conductors
Colodrero, Rosario M.P.; Cabeza-Diaz, Aurelio; R.Salcedo, Inés; Bazaga-García, Montse; Olivera-Pastor, Pascual (2017-10-17)Metal phosphonates are multifunctional solids which possess tunable properties, such as H-bond networks, while exhibiting high chemical and thermal stability. Depending on the protonation of the ligand, different crystalline ... -
Single and solid solutions metal carboxyphosphonates as precursors for phosphorous-containing electrocatalysts
López-Vergara, Adrián; El-Refaei, S.M.; Russo, P.A.; Vilchez, A; Losilla, Enrique R.; [et al.] (2019-07-19)Co1-xFex-HPAA metal phosphonates were prepared and pyrolyzed under N2 and H2/Ar flows. The result-ing powders were structural and electrochemically characterised by XRD and CV, respectively. The ob-tained materials possess ... -
Structural study of the local order in ammonia-modulated FE(II) hydroxyphosphonoacetate proton conductors
Bazaga-García, Montse; Cabeza-Diaz, Aurelio; Colodrero, Rosario M.P.; R.Salcedo, Inés; Olivera-Pastor, Pascual; [et al.] (2017-10-17)Layered Fe(II) carboxiphosphonate, Fe-HPAA·2H2O, is a crystalline multifunctional coordination polymer exhibiting properties as photocatalyst and proton conductor. Postsynthesis modification by ammonia/water adsorption ... -
Structure-properties correlations in divalent metal phosphonates
Colodrero, Rosario M.P.; Bazaga-García, Montse; Olivera-Pastor, Pascual; Losilla, E. R.; Salcedo, Inés R.; [et al.] (2016)Crystalline metal phosphonates may offer acidic sites, structural flexibility and guest molecules (H2O, heterocyclics, etc.) which can act as proton carriers. In addition, some frameworks are also amenable for post‐synthesis ... -
Synthesis and characterization of M(II) phosphonates (M = Fe, Co, Zn, Mn) as precursors for PEMFCs electrocatalysts
López-Vergara, Adrián; Ruiz Salcedo, Inés; Bazaga García, Montse; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; [et al.] (2018-11-15)Metal phosphonates are promising precursors for applications such as proton conductivity [1] and catalysis [2]. Specifically, upon calcination metal polyphosphates are generated that can be used as non-noble metal alternatives ... -
Synthesis and proton conduction properties of lanthanide amino-sulfophosphonates
Cabeza-Diaz, Aurelio; Bazaga-García, Montse; Colodrero, Rosario M.P.; Salcedo, Inés R.; Villemin, Didier; [et al.] (2016)Crystalline acid-functionalized metal phosphonates are potential candidates as proton conducting electrolytes. Their frameworks can be chemically modified to contain proton carriers such as acidic groups (P-OH; -SO3H, ... -
Synthesis and proton conduction properties of lanthanide amino-sulfophosphonates
R. Salcedo, Inés; Quintero, Estefanía; Bazaga-García, Montse; Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; [et al.] (2018-06-28)Acidic groups-containing metal phosphonates exhibit a wide range of proton conductivity depending on the water content and functionality. Moreover, this property can be enhanced by appropriate post-synthesis chemical ... -
Tunable crystal structure and proton conductivity of lanthanide nitrilotrismethylphosphonates
Ruiz Salcedo, Inés; Pérez Colodrero, Rosario Mercedes; Hix, Gary; Cabeza-Diaz, Aurelio; Bazaga García, Antonia Montserrat; [et al.] (2018-10-01)Metal phosphonates are multifunctional solids with remarkable stability and proton conducting properties owing to their structure is usually composed of extended hydrogen-bond networks that favor proton transfer pathways ... -
Tuning Proton Conductivity in A Multifunctional Calcium Phosphonate Hybrid Framework
Cabeza-Diaz, Aurelio; Bazaga-García, Montse; Colodrero, Rosario M.P.; Papadaki, M.; Olivera-Pastor, Pascual; [et al.] (2014-06-25)Multi-chelating phosphonate ligands are organic linkers alternative to polycarboxylates and other ligands providing synthetic access to a number of thermally- and chemically-stable MOFs [1]. Metal phosphonates are amenable ... -
Tuning Proton Conductivity Properties of Lanthanide Amino-Sulfophosphonates-Loaded Nafion Composite Membranes
Bazaga-García, Montse; R.Salcedo, Inés; Colodrero, Rosario M.P.; Villemin, Didier; Cabeza-Diaz, Aurelio; [et al.] (2017-07-05)Polymer-based electrolytes in proton exchange membrane fuel cells (PEMFCs) utilize acidic groups as proton carriers and hydrogen bonding networks as proton-conducting pathways to facilitate proton transport. Crystalline ...