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Browsing by Author "Rey Garcia, Fernando"

Now showing items 1-20 of 80

A highly stable and hierarchical tetrathiafulvalene-based metal organic framework with improved performance as a solid catalyst

Souto, Manuel; Santiago-Portillo, Andrea; Palomino Roca, Miguel; Vitorica-Yrezabal, Iñigo J.; Vieira, Bruno J. C.; Waerenborgh, João C.; Valencia Valencia, Susana; Navalón Oltra, Sergio; Rey Garcia, Fernando; García Gómez, Hermenegildo; Minguez Espallargas, Guillermo (The Royal Society of Chemistry, 2018-03)

[EN] Herein we report the synthesis of a tetrathiafulvalene (TTF)-based MOF, namely MUV-2, which shows a non-interpenetrated hierarchical crystal structure with mesoporous one-dimensional channels of ca. 3 nm and orthogonal ...
A New Aluminosilicate Molecular Sieve with a System of Pores between Those of ZSM-5 and Beta Zeolite

Moliner Marin, Manuel; Gonzalez, Jorge; Portilla Ovejero, Mª Teresa; Willhammar, Tom; Rey Garcia, Fernando; Llopis Alonso, Francisco Javier; Zou, Xiaodong; Corma Canós, Avelino (American Chemical Society, 2011-06)

[EN] A new aluminosilicate zeolite (ITQ-39) has been synthesized. This is an extensively faulted structure with very small domains that makes the structure elucidation very difficult. However, a combination of adsorption ...
A new metal exchanged zeolite for a present environmental problem. An in-situ XAS study

Alonso Escobar, Cristina; Franch Martí, Cristina; Palomares Gimeno, Antonio Eduardo; Rey Garcia, Fernando; Guilera, Gemma (IOP Publishing, 2013)

The medium pore zeolite, TNU-9, is prepared and studied for the selective catalytic reduction (SCR) of NO using C3H8 as the reducing agent. The catalytic activity of TNU-9 zeolites for the SCR is comparable to other known ...
A new microporous zeolitic silicoborate (ITQ-52) with interconnected small and medium pores

Simancas Coloma, Raquel; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Corma Canós, Avelino; Cantin Sanz, Angel; Peral, Inmaculada; Popescu, Catalin (American Chemical Society, 2014-03-05)

A new zeolite (named as ITQ-52) having large cavities and small and medium channels has been synthesized. This was achieved by using a new family of amino-phosphonium cations as organic structure directing agents (OSDA). ...
A new photochemical based route for the preparation of organic structure directing agents useful for zeolite synthesis

Cantin Sanz, Angel; Leiva Herrero, Sandra; Jorda Moret, Jose Luis; Valencia Valencia, Susana; Rey Garcia, Fernando; Corma Canós, Avelino (Elsevier, 2007)

[EN] A new photochemically induced [2+2] cycloaddition route for the synthesis of amines has been successfully applied for the preparation of a series of organic structure directing agents (OSDA's) that has been found to ...
A New Synthesis Route of the Tridirectional 12 Ring Channel Zeolite ITQ-7

Cantin Sanz, Angel; Corma Canós, Avelino; Díaz Cabañas, Mª José; Rey Garcia, Fernando; Sastre Navarro, German Ignacio (Elsevier, 2004)

[EN] A new synthesis procedure for the synthesis of ITQ-7 zeolites is reported that has been afforded by combining theoretical and experimental approaches. This new synthesis method is specially relevant since the earlier ...
Acid properties of organosiliceous hybrid materials based on pendant (fluoro)aryl-sulfonic groups through a spectroscopic study with probe molecules

Erigoni, Andrea; Paul, Geo; Meazza, Marta; Hernández Soto, María Consuelo; Miletto, Ivana; Rios, Ramon; Segarra-Almela, Mª De La Candelaria; Marchese, Leonardo; Raja, Robert; Rey Garcia, Fernando; Gianotti, Enrica; DÍAZ MORALES, URBANO MANUEL (The Royal Society of Chemistry, 2019-11-21)

[EN] Two different heterogeneous catalysts carrying aryl-sulfonic moieties, in which the aromatic ring was either fluorinated or not, were successfully synthesized. The multi-step synthetic approaches implemented involved ...
An in situ XAS study of the activation of precursor-dependent Pd nanoparticles

Wittee Lopes, Christian; Cerrillo, José Luis; Palomares Gimeno, Antonio Eduardo; Rey Garcia, Fernando; Agostini, G. (The Royal Society of Chemistry, 2018-05-14)

[EN] The activation of precursor-dependent Pd nanoparticles was comprehensively followed by in situ X-ray absorption spectroscopy on two inorganic supports for rationalizing the final catalytic activity. Two series of ...
An INS study of entrapped organic cations within the micropores of zeolite RTH

Lemishko, Tetiana; Simancas-Coloma, Jorge; Hernández Rodríguez, Manuel; Jiménez-Ruiz, Mónica; Sastre Navarro, German Ignacio; Rey Garcia, Fernando (Royal Society of Chemistry, 2016-06-14)

[EN] Two different organic cations (structure directing agents, SDAs) have been selected because of their ability to drive the synthesis of zeolites towards the same microporous material, RUB-13 (RTH), both being ...
Arsenolite: a quasi-hydrostatic solid pressure transmitting medium

Sans-Tresserras, Juan Ángel; Manjón, F. J.; Popescu, C.; Muñoz, A.; Rodríguez-Hernández, P.; Jordá, J. L.; Rey Garcia, Fernando (IOP Publishing, 2016-11-30)

This study reports the experimental characterization of the hydrostatic properties of arsenolite (As4O6), a molecular solid which is one of the softest minerals in the absence of hydrogen bonding. The high compressibility ...
Bioethanol steam reforming on Ni-based modified mordenite. Effect of mesoporosity, acid sites and alkaline metals

Da Costa Serra, Javier Francisco; Navarro Ruiz, María Teresa; Rey Garcia, Fernando; Chica, Antonio (Elsevier, 2012-04)

Support plays an important role in the preparation of highly active and selective bioethanol steam reforming catalysts since it helps in the dispersion of metal particles and enhances its activity via metal-support ...
Caracterización mediante técnicas espectroscópicas in situ de catalizadores de Cu y Co sobre zeolitas utilizados en la eliminación de NOx por reducción catalítica selectiva (SCR)

Alonso Escobar, Cristina (Universitat Politècnica de València, 2012-05-15)

La reducción de óxidos de nitrógeno sobre materiales zeolíticos intercambiados con metales de transición es una de las rutas más prometedoras para la disminución de estos contaminantes en emisores móviles. Sin embargo, existe ...
Catalytic cracking performance of alkaline-treated zeolite Beta in the terms of acid sites properties and their accessibility

Tarach, K.; Gora-Marek, K.; Tekla, J.; Brylewska, K.; Datka, J.; Mlekodaj, K.; Makowski, W.; Igualada López, María Cristina; Martínez-Triguero, Joaquín; Rey Garcia, Fernando (Elsevier, 2014-04)

The zeolite Beta is considered as a promising additive for FCC catalyst in diesel oil production. In this article, it is shown that hierarchical zeolite Beta obtained by an optimized desilication procedure increases diesel ...
Cation Gating and Relocation during the Highly Selective Trapdoor Adsorption of CO2 on Univalent Cation Forms of Zeolite Rho

Lozinska, Magdalena M.; Mowat, John P. S.; Wright, Paul A.; Thompson, Stephen P.; Jorda Moret, Jose Luis; Palomino Roca, Miguel; Valencia Valencia, Susana; Rey Garcia, Fernando (American Chemical Society, 2014-03-25)

Adsorption of CO2 and CH4 has been measured on the Na-, K-, and Cs-forms of zeolite Rho (0 9 bar; 283 333 K). Although CH4 is excluded, CO2 is readily taken up, although the uptake at low pressures decreases strongly, in ...
Characterization of metallic species on porous materials by in situ XAS

Wittee Lopes, Christian (Universitat Politècnica de València, 2018-09-10)

El objetivo de esta tesis es estudiar la agrupación y el crecimiento de especies metálicas confinadas o soportadas en materiales porosos mediante espectroscopia de absorción de rayos X in situ. Para lograrlo, las especies ...
Charge matching between the occluded organic cations and zeolite framework as structure directing effect in zeolite synthesis

Marqués, Blanca; Leiva Herrero, Sandra; Cantin Sanz, Angel; Jorda Moret, Jose Luis; Sabater Picot, Mª José; Corma Canós, Avelino; Valencia Valencia, Susana; Rey Garcia, Fernando (Elsevier, 2008)

[EN] The charge matching effect has been found to be an important parameter driving the synthesis towards particular zeolite frameworks. This has been evidenced by isomorphous incorporation of Aluminium into the zeolite ...
Cobalt Metal Organic Framework Based on Two Dinuclear Secondary Building Units for Electrocatalytic Oxygen Evolution

Gutiérrez-Tarriño, Silvia; Olloqui Sariego, José Luis; Calvente, Juan José; Palomino Roca, Miguel; Mínguez Espallargas, Guillermo; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Oña-Burgos, Pascual (American Chemical Society, 2019-12-18)

[EN] The synthesis of a new microporous metal-organic framework (MOF) based on two secondary building units, with dinuclear cobalt centers, has been developed. The employment of a well-defined cobalt cluster results in an ...
Control of zeolite framework flexibility and pore topology for separation of ethane and ethylene

Bereciartua-Pérez, Pablo Javier; Cantin Sanz, Angel; Corma Canós, Avelino; Jorda Moret, Jose Luis; Palomino Roca, Miguel; Rey Garcia, Fernando; Valencia Valencia, Susana; Corcoran Jr., Edward W.; Kortunov, Pavel; Ravikovitch, Peter I.; Burton, Allen; Yoon, Chris; Wang, Yu; Paur, Charanjit; Guzman, Javier; Bishop, Adeana R.; Casty, Gary L. (American Association for the Advancement of Science (AAAS), 2017-11-24)

[EN] The discovery of new materials for separating ethylene from ethane by adsorption, instead of using cryogenic distillation, is a key milestone for molecular separations because of the multiple and widely extended uses ...
Correspondence: Strongly-driven Re + CO2 redox reaction at high-pressure and high-temperature

Santamaría-Perez, David; McGuire, C.; Makhluf, A.; Kavner, A.; Chulia-Jordan, R.; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Pellicer Porres, Julio; Martínez García, D.; Rodríguez Hernández, Placida; Munoz, Alfonso (Nature Publishing Group, 2016-11-29)
Critical Role of Dynamic Flexibility in Ge-Containing Zeolites: Impact on Diffusion

Gutierrez-Sevillano, Juan José; Calero, Sofia; Hamad, Said; Grau-Crespo, Ricardo; Rey Garcia, Fernando; Valencia Valencia, Susana; Palomino Roca, Miguel; Balestra, Salvador R. G.; Ruiz-Salvador, A. Rabdel (Wiley, 2016-06-11)

Incorporation of germanium in zeolites is well known to confer static flexibility to their framework, by stabilizing the formation of small rings. In this work, we show that the flexibility associated to Ge atoms in zeolites ...