Browsing Grupo de investigación IMaCris / MaKrisI by Title
Now showing items 42-61 of 62
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MOFS metaloporfirínicos 1D y 2D: Estudio cristaloquímico
(2016-05-02)Los sistemas metaloporfirínicos son piezas clave en el engranaje de la vida, debido a las propiedades bioquímicas, enzimáticas y fotoquímicas que desempeña el macrociclo tetrapirrólico presente en las porfirinas. Las ... -
MOFs metaloporfirínicos: biomimetizando sus propiedades naturales
(2016-04-29)Las metaloporfirinas son moléculas biológicas que desempeñan un papel fundamental en multitud de procesos biológicos. Uno de los retos actuales consiste en trasladar la actividad catalítica que presentan a sistemas ... -
MOFs porosos: “Tallando” el espacio en arquitecturas supramoleculares
(2016-04-14)Los MOFs (metal-organic-frameworks) están siendo objeto de un gran interés, muy especialmente por su gran versatilidad en la obtención de estructuras abiertas; es decir, con cavidades o poros estratégicamente diseñados ... -
Mother structures related to the hexagonal and cubic close packing in Cu24 clusters: solvent-influenced derivatives
(RSC Publishing, 2015-05-07)Compound 1 [Cu24(m BDC)24(DMF)20(H2O)4]• 24DMF•40H2O (m-BDC is 1,3-benzenedicarboxylate and DMF is N,N-dimethylformamide) has been synthesized and structurally characterized by X-ray diffraction. It consists of Cu24-clusters ... -
Nuevas cromitas de composición La1-xMxCr0.9Ni0.1O3(M=Sr, ND, Ca; x<0.3) con tamaño de A y desorden fijados, para su uso como ánodos de pilas SOFCs
(2016-06-24)El desarrollo de nuevos materiales y la optimización de las técnicas de fabricación son claves para conseguir reducir la temperatura de operación, y con ello, el coste, de sistemas de generación de energía como las pilas ... -
Open and closed forms of the interpenetrated [Cu2(Tae)(Bpa)2](NO3)2•nH2O cationic coordination polymer: magnetic properties and high pressure CO2/CH4 gas sorption.
(The Royal Society of Chemistry, 2018-01-21)Two closed and one open structural forms of the interpenetrated [Cu2(Tae)(Bpa)2](NO3)2•nH2O (H2Tae= 1,1,2,2-tetraacetylethane, Bpa= 1,2-Bis(4-pyridyl)ethane) cationic coordination polymer have been synthesized. Three ... -
Optimization of the large scale synthesis of the LSF-20 cathode material for SOFCs
(2016-06-24)Solid oxide fuel cells (SOFCs) have the potential to be one of the cleanest and most efficient energy technologies for direct conversion of chemical fuels to electricity. Economically competitive SOFC systems appear poised ... -
Polímeros de Coordinación con Centros Metálicos en Entornos de Coordinación Variables: Posibles Aplicaciones.
(2015-10-08)El grupo de investigación IMaCris/MaKrisI de la UPV/EHU, atesora una amplia experiencia en el estudio de estructuras metal-orgánicas en diferentes tipos de materiales: • Clústeres y polímeros de coordinación, con conectores ... -
Scalable synthetic method for IT-SOFCs compounds
(2016-07-15)Economically competitive SOFC systems appear ready for commercialization, but widespread market penetration will require a broad inventory of key starting materials and fabrication processes to enhance systems and reduce ... -
Scalable synthetic method for SOFC compounds
(Elsevier, 2017-09-08)Although economically competitive SOFC systems seems to be ready for commercialization, a broad inventory of key starting materials and fabrication processes are needed to enhance systems and reduce costs. These ... -
Self-assembly of iron TCPP (meso-tetra(4-carboxyphenyl)porphyrin) into a chiral 2D coordination polymer
(Elsevier, 2011-08-16)Synthetic metalloporphyrin complexes are often used as analogues of natural systems, and they can be used for the preparation of high-dimensional coordination polymers. In this work, a new chiral Fe-TCPP (TCPP is ... -
Self-assembly of metallated TPP porphyrin by external dipyridyl ligands
(2015-10-23)Supramolecular entities based on self-assembly of metalloporphyrins are paradigmatic examples of the great efficiency of the nanodevices used by natural systems in photosynthesis, oxygen transport, electron transfer and ... -
Self-assembly of metalloporphyrins: first TPP-bipy coordination polymer with CoII (TPP=meso-tetraphenylporphyrin and bipy=4,4´-bipyridine)
(2015-10-23)Supramolecular entities based on self-assembly of metalloporphyrins are paradigmatic examples of the great efficiency of the nanodevices used by natural systems in photosynthesis, oxygen transport, electron transfer and ... -
SOFC development at CNH2
(2018-07)Solid oxide fuel cells (SOFC´s) are devices that convert chemical energy from reactants into heat and electricity with high efficiency. Usually, these systems operate at high temperatures (600-1000ºC) and are able to run ... -
Stability study of MOF@IL composite materials
(2017-03)Metal-organic frameworks (MOF) offer unique advantages for many applications due to their ordered structures, high thermal stability, tunable chemical functionality, ultra-high porosity and the availability of hundreds ... -
Structural Transformations in the Thermal Dehydration of [Cu2(bpa)(btec)(H2O)4]n Coordination Polymer
(MDPI, 2019-05-13)Reactions between pyridinic ligands such as 1,2-bis(4-pyridyl)ethane (bpa) and transition metal cations are a very widespread technique to produce extended coordination polymers such as Metal-Organic Frameworks. In combination ... -
Superprotonic conductivity in a metalloporphyrin-based MOF
(2017-06-05)MOF materials exhibit great potential for a broad range of applications taking advantage of the high surface area and pore sizes and tuneable chemistry. In particular, metalloporphyrin-based MOFs are becoming of great ... -
Theoretical and experimental absorption spectra study of [(FeTPPbipy]·)n provided by TD-DFT calculations
(2016-04-29)Iron metalloporphyrins are paradigmatic examples of nanodevices used by natural systems like haemoglobin or cytochromes in oxygen transport, electron transfer and catalysis. Therefore, they can be thought to be developed ... -
Thermal stability and crystallochemical analysis for CoII based coordination polymers with TPP and TPPS porphyrins
(RSC Publishing, 2013-03-16)Two new CoP–bipy compounds have been synthesised and characterised, where P is TPP for compound 1 (TPP = meso-tetraphenylporphyrin) and TPPS for compound 2 (TPPS = meso-tetraphenylporphinetetrasulfonic acid tetrasodium ... -
Vanadyl arsenates as catalysts for selective oxidation of organic sulfides and alkenes
(Elsevier, 2010-12-09)Two vanadyl arsenates templated with ethylendiamonium (EnVAs) and piperazonium (PipVAs) were evaluated as catalysts for the oxidation of thioethers and alkenes, using H2O2 and t-butyl hydroperoxide (TBHP) as oxidants. The ...