Electrocatalysis for reactions of oxygen reduction and evolution and their involvement in the storage of renewable energy

Authors: Martinez-Huerta, MV

Article.
Bol. Grupo Esp. Carbon. vol: . page: 2172-6094.
Date: MAR. 2020.
Doi: .

Abstract:
The electrochemical reactions of oxygen reduction and evolution are fundamental for the development of electrochemical devices for the conversion and storage of renewable energy such as electrolysers, fuel cells and regenerative fuel cells. The hydrogen would be generated from the electrolysis of water when [read more]

Arturo Pérez2020-05-28T12:22:53+02:00Categories: Publicaciones 2020|Tags: Materials Science, Multidisciplinary|

Natural Mordenite from Spain as Pozzolana

Authors: Presa, L; Costafreda, JL; Martin, DA; Diaz, I

Article.
Molecules. vol: 25. page: .
Date: mar-01. 2020.
Doi: 10.3390/molecules25051220.

Abstract:
This work deals with anomalous concentrations of natural mordenite in the southeast of Spain. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) studies evidenced that the samples contain mainly monomineral zeolitic phase of mordenite (70% to 74%), usually accompanied by [read more]

Arturo Pérez2020-05-28T12:35:23+02:00Categories: Publicaciones 2020|Tags: Biochemistry & Molecular Biology; Chemistry, Multidisciplinary|

Performance of three different cations based on imidazolium ring as structure directing agents in the synthesis of aluminophosphates and silicoaluminophosphates microporous materials

Authors: Almeida, G; Variani, YM; Gomez-Hortiguela, L; Mercury, JMR; Rojas, A

Article.
Microporous Mesoporous Mat.. vol: 294. page: 1387-1811.
Date: mar-01. 2020.
Doi: 10.1016/j.micromeso.2019.109861.

Abstract:
In this work three different cations based on imidazolium rings, 2-ethyl-1,3,4-trimethylimidazolium (2E134TMI), 1,2,3-triethyl-4-methylimidazolium (123TE4MI) and 1,2,3-triethylimidazolium (123TEI), were employed as structure directing agents (SDA) for the synthesis of aluminophosphate and silicoaluminophosphate microporous materials. The cations allowed the [read more]

Arturo Pérez2020-05-28T12:36:59+02:00Categories: Publicaciones 2020|Tags: Applied; Chemistry, Chemistry, Multidisciplinary, Physical; Nanoscience & Nanotechnology; Materials Science|

Lower methane combustion temperature on palladium nanoparticles anchored on TiOx subnano-islets in stellate mesoporous silica nanospheres

Authors: Dardouri, R; Yerga, RMN; Mota, N; Albela, B; Bonneviot, L; Zina, MS

Article.
New J. Chem.. vol: 44. page: 1144-0546.
Date: JAN 21. 2020.
Doi: 10.1039/c9nj04554f.

Abstract:
Palladium oxide nanoparticles of 9 nm stabilized on TiOx subnano-islets (SNI) in monodispersed mesoporous silica nanospheres (MSN) having a stellate morphology are found to be very active for methane combustion. The characterization at various [read more]

Arturo Pérez2020-05-28T12:32:00+02:00Categories: Publicaciones 2020|Tags: Chemistry, Multidisciplinary|

Relative Stability of Near -Surface Oxygen Vacancies at the CeO2(111) Surface upon Zirconium Doping

Authors: Otero, GS; Lustemberg, PG; Prado, F; Ganduglia-Pirovano, MV

Article.
J. Phys. Chem. C. vol: 124. page: 1932-7447.
Date: JAN 9. 2020.
Doi: 10.1021/acs.jpcc.9b09433.

Abstract:
The effects of Zr doping on the stability of the CeO2(111) surface as a function of the dopant concentration and distribution, as well as on the relative stability of surface and subsurface oxygen vacancies, were studied by [read more]

Arturo Pérez2020-05-28T12:39:16+02:00Categories: Publicaciones 2020|Tags: Chemistry, Multidisciplinary, Physical; Nanoscience & Nanotechnology; Materials Science|

Supported Gold Nanoparticles as Catalysts in Peroxidative and Aerobic Oxidation of 1-Phenylethanol under Mild Conditions

Authors: Pakrieva, E; Ribeiro, APC; Kolobova, E; Martins, LMDRS; Carabineiro, SAC; German, D; Pichugina, D; Jiang, C; Pombeiro, AJL; Bogdanchikova, N; Corberan, VC; Pestryakov, A

Article.
Nanomaterials. vol: 10. page: .
Date: JAN. 2020.
Doi: 10.3390/nano10010151.

Abstract:
The efficiency of Au/TiO2 based catalysts in 1-phenylethanol oxidation was investigated. The role of support modifiers (La2O3 or CeO2), influence of gold loading (0.5% or [read more]

Arturo Pérez2020-05-28T12:46:34+02:00Categories: Publicaciones 2020|Tags: Multidisciplinary, Nanoscience & Nanotechnology; Materials Science|

Fast Degradation of Bisphenol A in Water by Nanostructured CuNPs@CALB Biohybrid Catalysts

Authors: Losada-Garcia, N; Rodriguez-Otero, A; Palomo, JM

Article.
Nanomaterials. vol: 10. page: .
Date: JAN. 2020.
Doi: 10.3390/nano10010007.

Abstract:
Copper nanoparticles-enzyme biohybrid is a promising material for the remediation of contaminated waters, but its function is influenced by its effect on degradation organic pollutants. This study is the first investigation into the fast degradation of a high amount of Bisphenol A (BPA) [read more]

Arturo Pérez2020-05-28T12:23:59+02:00Categories: Publicaciones 2020|Tags: Multidisciplinary, Nanoscience & Nanotechnology; Materials Science|

Electroenzymatic CO2 Fixation Using Redox Polymer/Enzyme-Modified Gas Diffusion Electrodes

Destacados, Publicaciones 2020

Electroenzymatic CO2 Fixation Using Redox Polymer/Enzyme-Modified Gas Diffusion Electrodes

Autores: Szczesny, J; Ruff, A; Oliveira, AR; Pita, M; Pereira, IAC; De Lacey, AL; Schuhmann, W

Artículo.
ACS Energy Lett.. vol: 5. page: 2380-8195.
Date: JAN. 2020.
Doi: 10.1021/acsenergylett.9b02436.

Resumen:
We describe the fabrication of gas diffusion electrodes modified with polymer/enzyme layers for electroenzymatic CO2 fixation. For this, a metal free organic low-potential viologen-modified polymer has been synthesized that reveals a redox [read more]

Arturo Pérez2020-05-28T12:13:53+02:00Categories: Destacados, Publicaciones 2020|Tags: Chemistry, Multidisciplinary, Physical; Electrochemistry; Energy & Fuels; Nanoscience & Nanotechnology; Materials Science|

Hydrotreating of Guaiacol and Acetic Acid Blends over Ni2P/ZSM-5 Catalysts: Elucidating Molecular Interactions during Bio-Oil Upgrading

Authors: Gutierrez-Rubio, S; Moreno, I; Serrano, DP; Coronado, JM

Article.
ACS Omega. vol: 4. page: 2470-1343.
Date: DEC 17. 2019.
Doi: 10.1021/acsomega.9b03221.

Abstract:
Catalytic hydrodeoxygenation (HDO) is an effective technology for upgrading pyrolysis bio-oils. Although, in the past years, this process has been extensively studied, the relevance of the cross-reactivity between the numerous chemical components of bio-oil has been scarcely explored. However, [read more]

Arturo Pérez2019-12-17T00:00:00+01:00Categories: Publicaciones 2019|Tags: Chemistry, Multidisciplinary|

Upgrading the Properties of Reduced Graphene Oxide and Nitrogen-Doped Reduced Graphene Oxide Produced by Thermal Reduction toward Efficient ORR Electrocatalysts

Authors: Ramirez-Barria, CS; Fernandes, DM; Freire, C; Villaro-Abalos, E; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Article.
Nanomaterials. vol: 9. page: .
Date: DEC. 2019.
Doi: 10.3390/nano9121761.

Abstract:
N-doped (NrGO) and non-doped (rGO) graphenic materials are prepared by oxidation and further thermal treatment under ammonia and inert atmospheres, respectively, of natural graphites of different particle sizes. An extensive characterization of graphene materials points out that [read more]

Arturo Pérez2019-12-15T00:00:00+01:00Categories: Publicaciones 2019|Tags: Multidisciplinary, Nanoscience & Nanotechnology; Materials Science|