• 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 ...
    • Effect of preparation conditions on the polymorphism and transport properties of lanthanum molybdates 

      Porras-Vázquez, José Manuel; López-Vergara, Adrián; Infantes-Molina, A.; Canales-Vázquez, J.; Cabeza-Diaz, Aurelio; [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 ...
    • In situ high pressure powder diffraction study of proton conductors based on metal phosphonates 

      Bazaga-García, Montse; Colodrero, R.M.P.; Olivera-Pastor, P.; Losilla, E.R.; Salcedo, I.R.; [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 ...
    • 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 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 ...
    • 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, José Manuel; Cabeza-Diaz, 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 ...
    • Processing and characterisation of Calcium SulfoAluminate (CSA) eco-cements coated with a hybrid organo-inorganic material for photocatalytic applications 

      Morales-Cantero, Alejandro; Cabeza-Diaz, Aurelio; De la Torre, Angeles G.; Aranda, M.A.G.; Santacruz, Isabel (2015-07-27)
      On the one hand, Calcium SulfoAluminate (CSA) eco-cements are receiving increasing attention since their manufacture produces up to 40% less CO2 than ordinary Portland cement (OPC). In addition, they show interesting ...
    • 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 conductivity of multifunctional metal phosphonate frameworks 

      Cabeza-Diaz, Aurelio; Bazaga-García, Montse; Colodrero, R.M.P.; Papadaki, M.; Olivera-Pastor, P.; [et al.] (2015-03-23)
      Metal phosphonates exhibit attractive characteristics for proton conductivity, such as tunable functionality, chemical and thermal stability and the existence of H-bond networks with acidic protons within their structure.1 In ...
    • 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 ...
    • 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 ...
    • Structural Variability in Multifunctional Metal Xylenediaminetetraphosphonate Hybrids 

      Colodrero, Rosario M.P.; Bazaga-García, Montse; Olivera-Pastor, P.; Losilla, E.R.; Martos, E.Q.; [et al.] (2013)
      The two cornerstones in the field of MOFs are the Secondary Building Units (SBU’s or “bricks”) and the organic linkers. The structural tunability of crystalline MOFs coupled, when possible, with high chemical and thermal ...
    • Structure of stratlingite and effect of hydration methodology on microstructure 

      Santacruz, Isabel; De la Torre, Angeles G.; Álvarez-Pinazo, Gema; Cabeza-Diaz, Aurelio; Cuesta, Ana; [et al.] (ICE publishing, 2015)
      Stratlingite, Ca4Al2(OH)12[AlSi(OH)8]2•2H2O, is an AFm phase which appears as hydration product of aluminum-rich cements. These binders may be calcium aluminate cements, calcium sulfoaluminate cements and also Belite Calcium ...
    • 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 ...
    • Tailored setting times with high compressive strengths in bassanite calcium sulfoaluminate eco-cements 

      García-Maté, Marta; Londono-Zuluaga, Diana; De la Torre, Angeles G.; Losilla, Enrique R.; Cabeza-Diaz, Aurelio; [et al.] (Elsevier, 2016-09)
      This work deals with the hydration of a calcium sulfoaluminate (CSA) eco-cement prepared with bassanite and different additives (type and content) at a fixed water/CSA ratio of 0.5. Pastes prepared with bassanite show high ...