Iron Oxide-Iron Sulfide Hybrid Nanosheets as High-Performance Conversion-Type Anodes for Sodium-Ion Batteries

Autores: Rubio, S; Maca, RR; Ortiz, GF; Vicente, CP; Lavela, P; Etacheri, V; Tirado, JL

Artículo.
ACS Appl. Energ. Mater.. vol: 3. página: 2574-0962.
Fecha: nov-23. 2020.
Doi: 10.1021/acsaem.0c01814.

Resumen:
Commercialization of Na-ion batteries is hindered by the shortage of abundant and environmentally benign electrode materials with high electrochemical performance. Most of the high-capacity alloying- and conversion-type anodes face rapid capacity loss [read more]

Synthesis and photophysical studies of an indigo derivative: N-octyl-7,7 ‘-diazaindigo

Authors: de Miguel, G; Garzon-Ruiz, A; Navarro, A; Garcia-Frutos, EM

Article.
RSC Adv.. vol: 10. page: .
Date: nov-22. 2020.
Doi: 10.1039/d0ra06451c.

Abstract:
In this paper, we explore the synthesis, characterization, and photophysical properties of a novel indigo derivative, N-octyl-7,7 ‘-diazaindigo, being the first time that diazaindigos have been studied as photophysically-active chemical entities. Reduction of the neutral [read more]

2020-12-17T09:23:23+01:00Categories: Publicaciones 2020|Tags: , |

Optimization of the Catalytic Layer for Alkaline Fuel Cells Based on Fumatech Membranes and Ionomer

Authors: Sebastian, D; Lemes, G; Luque-Centeno, JM; Martinez-Huerta, MV; Pardo, JI; Lazaro, MJ

Article.
Catalysts. vol: 10. page: .
Date: NOV. 2020.
Doi: 10.3390/catal10111353.

Abstract:
Polymer electrolyte fuel cells with alkaline anion exchange membranes (AAEMs) have gained increasing attention because of the faster reaction kinetics associated with the alkaline environment compared to acidic media. While the development of [read more]

2020-12-17T09:27:40+01:00Categories: Publicaciones 2020|Tags: , |

Visible light production of hydrogen from glycerol over Cu2O-gC(3)N(4) nanocomposites with enhanced photocatalytic efficiency

Autores: Alhaddad, M; Navarro, RM; Hussein, MA; Mohamed, RM

Artículo.
J. Mater. Res. Technol-JMRT. vol: 9. página: 2238-7854.
Fecha: nov-15. 2020.
Doi: 10.1016/j.jmrt.2020.10.093.

Resumen:
In this work, we investigate nanostructured Cu2O-gC(3)N(4) composites with diverse Cu2O addition (0.5-3.0 mol %) prepared by ultrasonication-mixture of mesoporous Cu20 and g-C3N4 prepared individually from soft and hard -template sol gel, respectively. The efficiency of the Cu2O-gC(3)N(4) [read more]

Unravelling the Structural Modification (Meso-Nano-) of Cu/ZnO-Al2O3 Catalysts for Methanol Synthesis by the Residual NaNO3 in Hydroxycarbonate Precursors

Authors: Guil-Lopez, R; Mota, N; Llorente, J; Millan, E; Pawelec, BG; Fierro, JLG; Navarro, RM

Article.
Catalysts. vol: 10. page: .
Date: NOV. 2020.
Doi: 10.3390/catal10111346.

Abstract:
The effects of residual NaNO3 on the modification of Cu/ZnO-Al2O3 catalysts have been extensively documented, but the modification mechanism is so far unclear. This work studies in detail the influence of the residual sodium nitrate [read more]

2020-12-10T09:46:12+01:00Categories: Publicaciones 2020|Tags: , |

Recent Advances in Enzymatic and Chemoenzymatic Cascade Processes

Authors: Losada-Garcia, N; Cabrera, Z; Urrutia, P; Garcia-Sanz, C; Andreu, A; Palomo, JM

Review.
Catalysts. vol: 10. page: .
Date: NOV. 2020.
Doi: 10.3390/catal10111258.

Abstract:
Cascade reactions have been described as efficient and universal tools, and are of substantial interest in synthetic organic chemistry. This review article provides an overview of the novel and recent achievements in enzyme cascade processes catalyzed by [read more]

2020-12-10T09:43:38+01:00Categories: Publicaciones 2020|Tags: , |

Impact of the PtO loading on mesoporous TiO2 nanoparticles for enhanced photodegradation of Imazapyr herbicide under simulated solar light

Authors: Mkhalid, IA; Fierro, JLG; Mohamed, RM; Alshahri, AA

Article.
J. Nanopart. Res.. vol: 22. page: 1388-0764.
Date: nov-09. 2020.
Doi: 10.1007/s11051-020-05072-6.

Abstract:
The removal of the commonly used herbicides is essential for environmental remediation. In this study, mesoporous TiO2 photocatalysts modified with PtO were synthetized by the template-assisted scheme to develop highly effective materials for the elimination of Imazapyr herbicide under [read more]

Strong effect of light scattering by distribution of TiO2 particle aggregates on photocatalytic efficiency in aqueous suspensions

Authors: Tolosana-Moranchel, A; Pecharroman, C; Faraldos, M; Bahamonde, A Article. Chem. Eng. J.. vol: 403. page: 1385-8947. Date: JAN 1. 2021. Doi: 10.1016/j.cej.2020.126186. Abstract: This work examines the important role of light power absorbed by TiO2 on the photocatalytic degradation of dichloroacetic acid (DCA) in a semi-continuous slurry photoreactor with UV-Vis radiation. This system is an [read more]

Controlling Particle Morphology and Pore Size in the Synthesis of Ordered Mesoporous Materials

Authors: Awoke, Y; Chebude, Y; Diaz, I

Article.
Molecules. vol: 25. page: .
Date: NOV. 2020.
Doi: 10.3390/molecules25214909.

Abstract:
Ordered mesoporous materials have attracted considerable attention due to their potential applications in catalysis, adsorption, and separation technologies, as well as biomedical applications. In the present manuscript, we aim at a rational design to obtain the desired surface functionality (Ti and/or hydrophobic groups) [read more]

Increasing dimethyl ether production from biomass-derived syngas via sorption enhanced dimethyl ether synthesis

Authors: Liuzzi, D; Peinado, C; Pena, MA; van Kampen, J; Boon, J; Rojas, S

Article.
Sustain. Energ. Fuels. vol: 4. page: 2398-4902.
Date: nov-01. 2020.
Doi: 10.1039/d0se01172j.

Abstract:
The direct synthesis of dimethyl ether (DME) from biomass-derived syngas is a topic of great interest in the field of biofuels. The process takes place in one reactor combining two catalytic functions, Cu/ZnO/Al2O3 (CZA) [read more]

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