Physical

Polyaniline supported CdS/CeO2/Ag3PO4 nanocomposite: An “A-B” type tandem n-n heterojunctions with enhanced photocatalytic activity

Authors: Taddesse, AM; Bekele, T; Diaz, I; Adgo, A

Article.
J. Photochem. Photobiol. A-Chem.. vol: 406. page: 1010-6030.
Date: feb-01. 2021.
Doi: 10.1016/j.jphotochem.2020.113005.

Abstract:
In the present work, ternary composites of the form CdS/CeO2/Ag3PO4 with CdS:CeO2/Ag3PO4 molar ratios of (1:1, 2:1, 3:1 and 4:1) were synthesized by co-precipitation method. Polyaniline supported CdS/CeO2/Ag3PO4 nanocomposite was also synthesized by “in [read more]

2021-01-20T11:07:20+01:00Categories: Publications 2021|Tags: , |

Preferential Oxidation of CO over CoFe2O4 and M/CoFe2O4 (M = Ce, Co, Cu or Zr) Catalysts

Autores: Bejaoui, M; Elmhamdi, A; Pascual, L; Perez-Bailac, P; Nahdi, K; Martinez-Arias, A

Artículo.
Catalysts. vol: 11. page: .
Fecha: JAN. 2021.
Doi: 10.3390/catal11010015.

Resumen:
CoFe2O4 prepared by sol-gel has been examined with respect to its catalytic performance for preferential CO oxidation in a H-2-rich stream. In turn, the promoting effects of incorporation of Ce, Co, Cu, and Zr by impregnation on [read more]

2021-02-11T09:06:17+01:00Categories: Publications 2021|Tags: , |

Oxidation of 5-Hydroxymethylfurfural on Supported Ag, Au, Pd and Bimetallic Pd-Au Catalysts: Effect of the Support

Autores: German, D; Pakrieva, E; Kolobova, E; Carabineiro, SAC; Stucchi, M; Villa, A; Prati, L; Bogdanchikova, N; Corberan, VC; Pestryakov, A

Artículo.
Catalysts. vol: 11. página: .
Fecha: JAN. 2021.
Doi: 10.3390/catal11010115.

Resumen:
Oxidation of 5-hydroxymethylfurfural (HMF), a major feedstock derived from waste/fresh biomass, into 2,5-furandicarboxylic acid (FDCA) is an important transformation for the production of biodegradable plastics. Herein, we investigated the [read more]

2021-02-11T09:15:35+01:00Categories: Publications 2021|Tags: , |

Arylative Allenol Cyclization via Sequential One-pot Enzyme & Palladium Catalysis

Authors: Naapuri, JM; Aberg, GA; Palomo, JM; Deska, J

Article; Early Access.
ChemCatChem. vol: . page: 1867-3880.
Date: . 03 December 2020
Doi: 10.1002/cctc.202001619.

Abstract:
The one-pot combination of halogenation biocatalysis and Suzuki-type cross coupling enables the direct arylative cyclization of allenic alcohols with boronic acids. This modular approach to unsaturated five-membered O-heterocycles proceeds in an aqueous [read more]

2020-12-26T20:06:42+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: , |

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: , |

Biosynthesis of Gold Clusters and Nanoparticles by Using Extracts of Mexican Plants and Evaluation of Their Catalytic Activity in Oxidation Reactions

Authors: Aguilar-Pliego, J; Nunez, RZ; Agundez, J; Valdes, RD; Perez-Pariente, J Article; Early Access. Catal. Lett.. vol: . page: 1011-372X. Date: . . Doi: 10.1007/s10562-020-03416-4. Abstract: This work shows the biosynthesis of gold clusters and nanoparticles (AuNPs) from a solution of gold in a mixture of ammonium chloride and nitric acid treated with two different Mexican [read more]

2020-10-29T09:10:06+01:00Categories: Publicaciones 2020|Tags: , |

Effect of Cu and Cs in the beta-Mo2C System for CO2 Hydrogenation to Methanol

Authors: Dongil, AB; Zhang, Q; Pastor-Perez, L; Ramirez-Reina, T; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Article.
Catalysts. vol: 10. page: .
Date: OCT. 2020.
Doi: 10.3390/catal10101213.

Abstract:
Mitigation of anthropogenic CO2 emissions possess a major global challenge for modern societies. Herein, catalytic solutions are meant to play a key role. Among the different catalysts for CO2 conversion, Cu supported molybdenum carbide is receiving increasing [read more]

2020-10-27T00:00:00+01:00Categories: Publicaciones 2020|Tags: , |

Selective hydrogen production from formic acid decomposition over Mo carbides supported on carbon materials

Authors: Carrales-Alvarado, DH; Dongil, AB; Fernandez-Morales, JM; Fernandez-Garcia, M; Guerrero-Ruiz, A; Rodriguez-Ramos, I Article. Catal. Sci. Technol.. vol: 10. page: 2044-4753. Date: oct-21. 2020. Doi: 10.1039/d0cy01088j. Abstract: The decomposition of formic acid to obtain hydrogen has been studied using molybdenum carbides supported on activated carbon and two high surface area graphites, H-200 (200 m(2) g(-1)) and [read more]

2020-10-21T00:00:00+02:00Categories: Publicaciones 2020|Tags: , |

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