Browsing Grupo de investigación IMaCris / MaKrisI by Author "ARRIORTUA, MARIBEL"
Now showing items 1-20 of 61
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Auto-ensamblaje de unidades porfirínicas para la obtención de dispositivos supramoleculares
Fidalgo Marijuan, Arkaitz; Bazán Blau, Begoña del Pilar ; Barandika Argoitia, Miren Gotzone ; Urtiaga Greaves, Miren Karmele ; Arriortua Marcaida, María Isabel (2015-10-23)Las entidades supramoleculares basadas en el auto-ensamblaje de metaloporfirinas son ejemplos paradigmáticos de la gran eficiencia de los nanodispositivos empleados por los seres vivos para el almacenamiento y el transporte ... -
Biomimetic catalysts based on metalloporphyrin MOFs
Fidalgo Marijuan, Arkaitz; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Serrano Larrea, Edurne; Iglesias, Marta; Arriortua Marcaida, María Isabel (2016-04-29)During the past years, a great effort has been devoted to the anchoring of catalysts into MOFs in order to achieve heterogeneous catalysts. In this sense, an innovative approach consists on using metalloporphyrins as ... -
Catalytic performance of a new 1D Cu(II) coordination polymer {Cu(NO3)(H2O)}(HTae)(4,4'-Bpy)
Serrano Larrea, Edurne; Fernández de Luis, Roberto; Iglesias, Marta; Arriortua Marcaida, María Isabel (2017-03)There has been extensive interest in the synthesis and design of new porous coordination polymers [1] because of their potential applicability in different areas. One interesting crystal engineering approach to construct ... -
Catalytic Performance of a New 1D Cu(II) Coordination Polymer {Cu(NO3)(H2O)}(HTae)(4,40-Bpy) for Knoevenagel Condensation
Serrano Larrea, Edurne; Fernández de Luis, Roberto; Arriortua Marcaida, María Isabel (MDPI, 2016-12-01)The {Cu(NO3)(H2O)}(HTae)(4,40-Bpy) (H2Tae = 1,1,2,2-tetraacetylethane, 4,40-Bpy = 4,40-Dipyridyl) 1D coordination polymer has been obtained by slow evaporation. The crystal structure consists of parallel and oblique ... -
Catálisis heterogenea en redes metaloporfírinicas: sistema MnII-TPPS (TPPS= meso-tetra(4-sulfonatofenil)-porfirina)
Barandika Argoitia, Miren Gotzone ; Fidalgo Marijuan, Arkaitz; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Arriortua Marcaida, María Isabel (2016-04-29)Las entidades supramoleculares basadas en el auto-ensamblaje de metaloporfirinas son ejemplos paradigmáticos de la gran eficiencia de los nanodispositivos utilizados por los sistemas naturales en la fotosíntesis, transporte ... -
Cationic Mn2+/H+ exchange leading a slow solid-state transformation of a 2D porphyrinic network at ambient conditions
Amayuelas López, Eder ; Fidalgo Marijuan, Arkaitz; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Barandika Argoitia, Miren Gotzone ; Lezama Diago, Luis María; Arriortua Marcaida, María Isabel (Elsevier, 2017-03)Metalloporphyrins exhibit outstanding chemical, physical and biological properties in dissolution, however, it is a challenge to synthesize them as stable solid frameworks. Long-time stability is crucial for future ... -
Celdas de pilas de oxidó solido, avance en el procesado de materiales
Wain Martin, Aritza ; Morán Ruiz, Aroa; Vidal García, Karmele; Larrañaga Varga, Aitor; Laguna-Bercero, Miguel Angel; Arriortua Marcaida, María Isabel (2016-06-24)Este trabajo está enfocado a la síntesis y al procesado de los componentes de las pilas de combustible de óxido sólido (SOFC). La configuración empleada consiste en celdas (ánodo/electrolito/cátodo) soportadas por el ... -
Characterization of cobalt based TPP-bipy coordination polymer
Urtiaga Greaves, Miren Karmele ; Fidalgo Marijuan, Arkaitz; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Arriortua Marcaida, María Isabel (2016-04-22)Metalloporphyrin systems are one of the cornerstones on which the existence of life is based, as major biochemical, enzymatic and photochemical functions depend on the special properties of the tetrapyrrolic macrocycle. ... -
Characterization of Ln4Al2O9 (Ln=Y, Sm, Eu, Gd, Tb) rare-earth aluminates as new high-temperature barriers
Morán Ruiz, Aroa; Vidal García, Karmele; Larrañaga Varga, Aitor; Arriortua Marcaida, María Isabel (Elsevier, 2018-06-01)A family of cuspidine-type rare-earth (RE) aluminates with the general formula Ln4Al2O9 (Ln= Y, Sm, Eu, Gd, Tb) was prepared for potential use as thermal-barrier coating (TBC) materials with appropriate properties. Various ... -
Combustion synthesis and characterization of Ln1−xMxCr0.9Ni0.1O3 (Ln = La and/or Nd; M = Sr and/or Ca; x ≤ 0.25) perovskites for SOFCs anodes
Ortega-San-Martín, Luis; Morán Ruiz, Aroa; Wain Martin, Aritza ; Vidal García, Karmele; Larrañaga Varga, Aitor; Laguna-Bercero, Miguel Angel; Arriortua Marcaida, María Isabel (Elsevier, 2018-02-01)A series of chromite perovskites with the general formula Ln1−xMxCr0.9Ni0.1O3 (Ln = La and/or Nd; M = Sr and/or Ca; x ≤ 0.25) has been prepared by three combustion synthesis routes using a different combustible substance ... -
Composite beta-AgVO3@V5+1.6V4+0.4O4.8 hydrogels and xerogels for catalytic applications
Serrano Larrea, Edurne; Fernández de Luis, Roberto; Iglesias, Marta; Arriortua Marcaida, María Isabel (2016-04-07)Silver vanadium oxides and vanadium oxides, and concretely β-AgVO3 phase, have received considerable attention in the last decade due to their unique physical and chemical properties, including electrochemical and ... -
Conductividad superprotónica en MOFs metaloporfirínicos bioinspirados
Fidalgo Marijuan, Arkaitz; Amayuelas López, Eder ; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Ruiz de Larramendi Villanueva, Idoia; Arriortua Marcaida, María Isabel (2017-07-09)Los materiales de tipo MOF muestran un gran potencial para una amplia gama de aplicaciones debido a su elevada porosidad, baja densidad y facilidad en la modificación estructural. En particular, los MOF basados en ... -
Coordination and crystallisation molecules: Their interactions affecting the dimensionality of metalloporphyrinic SCFs
Fidalgo Marijuan, Arkaitz; Amayuelas López, Eder ; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Arriortua Marcaida, María Isabel (MDPI, 2015-04-15)Synthetic metalloporphyrin complexes are often used as analogues of natural systems, and they can be used for the preparation of new Solid Coordination Frameworks (SCFs). In this work, a series of six metalloporphyrinic ... -
Crystal structure and characterization of a new μ-oxo bridged iron porphyrin
Fidalgo Marijuan, Arkaitz; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Arriortua Marcaida, María Isabel (2016-04-22)Metalloporphyrin systems are one of the cornerstones on which the existence of life is based, as major biochemical, enzymatic and photochemical functions depend on the special properties of the tetrapyrrolic macrocycle. ... -
Crystal structure of K0.75[FeII 3.75FeIII 1.25(HPO3)6]- 0.5H2O, an open-framework iron phosphite with mixed-valent FeII/FeIII ions
Serrano Larrea, Edurne; Mesa Rueda, José Luis; Legarra Sáez, Estíbaliz ; Aguayo Urquijo, Andrés Tomás ; Arriortua Marcaida, María Isabel (International Union of Crystallography, 2016)Single crystals of the title compound, potassium hexaphosphitopentaferrate( II,III) hemihydrate, K0.75[FeII 3.75FeIII 1.25(HPO3)6] 0.5H2O, were grown under mild hydrothermal conditions. The crystal structure is isotypic ... -
CuII-based metal-organic nanoballs for very rapid adsorption of dyes and iodine
Amayuelas López, Eder ; Fidalgo Marijuan, Arkaitz; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Barandika Argoitia, Miren Gotzone ; Arriortua Marcaida, María Isabel (The Royal Society of Chemistry, 2016-02-03)CuII nanoballs have been determined to be among the best MOPs (Metal–Organic Polyhedra) reported so far for the adsorption of small molecules, with the highlighting advantage of rapid kinetics, which focuses on their ... -
Dehydration for a solid coordination network based on CuII-(py)2C(OH)2 trimers
Bravo García, Laura ; Barandika Argoitia, Miren Gotzone ; Bazán Blau, Begoña del Pilar ; Urtiaga Greaves, Miren Karmele ; Lezama Diago, Luis María; Arriortua Marcaida, María Isabel (2016-04-22)Materials consisting of metal ions or clusters that are linked by polyfunctional organic ligands form networks of different dimensionalities. Their structural features, including large cavities and high surface areas, ... -
Designing multifunctional pigments for an improved energy efficiency in buildings
Aranzabe Basterrechea, Estíbaliz; Arriortua Marcaida, María Isabel ; Larrañaga Varga, Aitor; Aranzabe, Ana; Villasante, Pedro María; March, Ricard (Elsevier, 2017-07-15)Materials science offers solutions that when are combined can offer important energy savings in the building sector. In this study, high reflectance coating and thermal storage capacity are combined with the aim of improving ... -
Effect of the A cation size disorder and synthesis conditions on the properties of an iron perovskite series
Vidal García, Karmele; Larrañaga Varga, Aitor; Morán Ruiz, Aroa; Laguna-Bercero, Miguel Angel; Calvino, J.J.; Arriortua Marcaida, María Isabel (2015-11-18)Solid state chemistry thrives on a rich variety of solids that can be synthesized using a wide range of techniques. It is well known that the preparative route plays a critical role on the physical and chemical properties ... -
Effect of the synthesis conditions on the properties of La0.15Sm0.35Sr0.08Ba0.42FeO3-a cathode material for SOFCs
Vidal García, Karmele; Larrañaga Varga, Aitor; Morán Ruiz, Aroa; Laguna-Bercero, Miguel Angel; Baker, Richard T.; Arriortua Marcaida, María Isabel (2017-09-13)The perovskite La0.15Sm0.35Sr0.08Ba0.42FeO3-a has been prepared by the glycine nitrate (GNC) route, varying the fuel/oxidizer ratio (glycine/nitrate, G/N= 1 and 2) and cooling rate (slow cooling and air-quenched), in order ...