Buscar en RiuNet

Listar

Todo RiuNet

Mi cuenta

Acceder

Ayuda RiuNet

Admin. UPV

Listar por autor "Sastre Navarro, German Ignacio"

Mostrando ítems 1-20 de 71

Página siguiente

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 ...
Ammonia IRMS-TPD measurements on Brønsted acidity of proton-formed SAPO-34

Suzuki, Katsuki; Nishio, Takuma; Katada, Naonobu; Sastre Navarro, German Ignacio; Niwa, Miki (Royal Society of Chemistry, 2011)

[EN] By utilizing the advantages of a combined method of IRMS-TPD of ammonia and DFT calculations, the solid acidity of HSAPO-34 was studied. The number, strength and structure of the Bronsted OH were measured experimentally. ...
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 ...
Atomistic Simulation of Water Intrusion¿Extrusion in ITQ-4 (IFR) and ZSM-22 (TON). The role of Silanol Defects

Bushuev, Yuriy; Sastre Navarro, German Ignacio (American Chemical Society, 2011)

[EN] Water in pure silica zeolites (zeosils) may behave as a "bumper" by absorbing mechanical energy of the intruded water, as a "spring" by restoring after extrusion of the energy spent in intrusion, or as "shock absorber" ...
Capturing Different Intermediate Phases during Zeolite Synthesis

Zeng, Jinjin; Sastre Navarro, German Ignacio; Hong, Suk Bong (American Chemical Society, 2024-10-09)

[EN] Despite extensive efforts over the past several decades, the current mechanistic understanding of zeolite crystallization is still far from satisfactory, thus precluding the synthesis of designer zeolites. Here we ...
Caracterización de la Adsorción de Hidrógeno en MOFs por Métodos Químico-Computacionales

Gómez Hernández, Diego Armando (Universitat Politècnica de València, 2012-10-11)

En los últimos años, los esfuerzos para desarrollar una fuente de energía limpia y econó³micamente viable se han incrementado. Estos esfuerzos surgen como respuesta al creciente consumo de combustibles y al alto impacto ...
Carbonylation of dimethyl ether in mordenite using Inelastic Neutron Scattering

Jiménez-Ruiz, Mónica; Lemishko, Tetiana; Rey Garcia, Fernando; SASTRE NAVARRO, GERMAN IGNACIO (Elsevier, 2024-01-15)

[EN] Zeolite mordenite (MOR, Si/Al =10) was used as catalyst for the reaction between CO and dimethyl ether (DME) to give methyl acetate. Since the reaction is catalysed by Bronsted acid sites, Inelastic Neutron Scattering ...
CFA-1: The first chiral metal-organic framework containing Kuratowski-type secondary building units

Schmieder, Phillip; Denysenko, Dmytro; Grzywa, Maciej; Baumgaertner, Benjamin; Senkovska, Irena; Kaskel, Stefan; Sastre Navarro, German Ignacio; van Wuellen, Leo; Volkmer, Dirk (Royal Society of Chemistry, 2013)

[EN] The novel homochiral metal-organic framework CFA-1 (Coordination Framework Augsburg-1), [Zn-5(OAc) 4(bibta)(3)], containing the achiral linker {H-2-bibta = 1H, 1' H-5,5'-bibenzo[d][1,2,3] triazole}, has been synthesised. ...
Computational Screening of Structure-Directing Agents for the Synthesis of Pure Silica ITE Zeolite

León-Rubio, Santiago; SASTRE NAVARRO, GERMAN IGNACIO (American Chemical Society, 2020-08-06)

[EN] "Shape" was the first criterion claimed to explain the specificity between organic structure-directing agents (OSDAs) and zeolite micropores. With the advent of computational chemistry methods applied to study the ...
Computational study of diffusion of propane in small pore acidic zeotypes AFX and AEI

Sastre Navarro, German Ignacio (Elsevier, 2014-05-01)

Small pore zeolites, containing 8-rings as the largest, are widely employed in commercial processes such as methanol-to-olefins or methanol-to-hydrocarbons. Diffusion in these materials has mainly been studied in pure ...
Configuration-dependent photoinduced electron transfer in diastereomeric naphthalene-amino-naphthalene triads

Nuin Pla, Neus Edurne; Sastre Navarro, German Ignacio; Pischel, Uwe; Andreu Ros, María Inmaculada; Miranda Alonso, Miguel Ángel (John Wiley & Sons, 2015)

[EN] Novel diastereomeric triads containing two naphthalene chromophores have been designed in which an electron-donating amine moiety is covalently integrated into the connecting bridge. Photophysical studies (steady-state ...
Confinement effects in methanol to olefins catalysed by zeolites. A computational review

Sastre Navarro, German Ignacio (Springer Verlag (Germany), 2016-03)

[EN] Small pore zeolites, containing 8-rings as the largest, are widely employed as catalysts in the process of methanol-to-olefins (MTO). Reactants and products diffuse with constraints through 8-rings and this is one of ...
Confinement effects in the hydrogen adsorption on paddle wheel containing metal organic frameworks

Gómez, Diego A.; Combariza Montañez, Aldo Fabrizzio; Sastre Navarro, German Ignacio (Royal Society of Chemistry, 2012)

[EN] The confinement effects upon hydrogen adsorption in Cu(II)-paddle wheel containing metal-organic frameworks (MOFs) were evaluated and rationalized in terms of the structural properties (cavity types and pore diameters) ...
Dansyl labeling to modulate the relative affinity of bile acids for the binding sites of human serum albumin

Rohacova, Jana; Sastre Navarro, German Ignacio; Marín García, Mª Luisa; Miranda Alonso, Miguel Ángel (American Chemical Society, 2011-09-08)

[EN] Binding of natural bile acids to human serum albumin (HSA) is an important step in enterohepatic circulation and provides a measure of liver function. In this article, we report on the use of four dansyl (Dns) derivatives ...
Dehydroaromatization of methane under non-oxidative conditions over bifunctional Mo/ITQ-2 catalysts

Martinez Feliu, Agustin; Peris Chanzá, Ernesto José; Sastre Navarro, German Ignacio (Elsevier, 2005-10-30)

[EN] Bifunctional Mo/ITQ-2 catalysts have been used for the methane dehydroaromatization (MDA) reaction. The Si/Al ratio, and thus the Brønsted acidity, of the zeolite affected the conversion, the formation rate of ...
Dependence of cracking activity upon the Brønsted acidity of Y zeolite: DFT study and experimental confirmation

Niwa, M.; Suzuki, Kiwa; Morishita, N.; Sastre Navarro, German Ignacio; Okumura, K.; Katada, N. (Royal Society of Chemistry, 2013)

[EN] Dependence of the activity for alkane cracking on the Bronsted acidity of HY and cation exchanged HY zeolites was clearly revealed by the periodic DFT calculation and the experimental confirmation.
Dielectric Relaxation Processes, Electronic Structure and Band Gap Engineering of MFU-4-type Metal-Organic Frameworks: Towards a Rational Design of Semiconducting Microporous Materials

Sippel, P.; Denysenko, D.; Loidl, A.; Lunkenheimer, P.; Sastre Navarro, German Ignacio; Volkmer, Dirk (Wiley, 2014-07-02)

The electronic structures and band gaps of MFU-4-type metal-organic frameworks can be systematically engineered leading to a family of isostructural microporous solids. Electrical properties of the microcrystalline samples ...
Different Zeolite Phases Obtained with the Same Organic Structure Directing Agent in the Presence and Absence of Aluminum: The Directing Role of Aluminum in the Synthesis of Zeolites

Altundal, Ömer Faruk; León-Rubio, Santiago; Sastre Navarro, German Ignacio (American Chemical Society, 2023-05-30)

[EN] Zeolites are a large family of crystalline microporous materials with, mainly, silicate and aluminosilicate composition. Each topology can only be synthesized in a specific range of aluminum content, Al/(Si + Al), ...
Diffusion of Trimethylbenzenes and Xylenes in Zeolites with 12-and 10-Ring Channels as Catalyst for Toluene-Trimethylbenzene Transalkylation

Toda-Calderón, Jordi; Corma Canós, Avelino; Sastre Navarro, German Ignacio (American Chemical Society, 2016-08-04)

A molecular dynamics study of the diffusion of trimethylbenzene (TMB) and xylene molecules involved in toluene and TMB transalkylation reaction has been performed over 6 different pure-silica zeolites, containing 10- and ...
Difusión Selectiva de Hidrocarburos en Zeolitas de Poro Pequeño a Partir de Técnicas de Simulación Molecular

Combariza Montañez, Aldo F. (Universitat Politècnica de València, 2011-12-15)

En la industria petroquímica, olefinas como el etileno y propileno son materias primas muy importantes en la producción de polímeros tales como polietileno, polipropileno, estireno, etil benceno, dicloruro de etileno e ...