Recent progress in the quantitative assessment and interpretation of photoactivity

Autores: Caudillo-Flores, U; Munoz-Batista, MJ; Fernandez-Garcia, M; Kubacka, A

Review; Early Access.
Catal. Rev.-Sci. Eng.. vol: . page: 0161-4940.
Fecha: . .
Doi: 10.1080/01614940.2022.2075535.

Resumen:
The development of the photo-catalysis field is limited by a deficient quantitative assessment of photo-activity. The interplay between mass and momentum transport together with radiative transfer phenomena taking place at any photo-catalytic reaction or process makes complex [read more]

2022-07-15T11:26:06+02:00Categories: Destacados, Publicaciones 2022|Tags: , |

Cascade Catalysis Through Bifunctional Lipase Metal Biohybrids for the Synthesis of Enantioenriched O-Heterocycles from Allenes

Autores: Naapuri, JM; Losada-Garcia, N; Rothemann, RA; Pichardo, MC; Prechtl, MHG; Palomo, JM; Deska, J

Artículo; Early Access.
ChemCatChem. vol: . page: 1867-3880.
Fecha: . .
Doi: 10.1002/cctc.202200362.

Resumen:
Lipase/metal nanobiohybrids, generated by growth of silver or gold nanoparticles on protein matrixes are used as highly effective dual-activity heterogeneous catalysts for the production of enantiomerically enriched 2,5-dihydrofurans from allenic acetates in a [read more]

2022-07-15T08:57:07+02:00Categories: Publicaciones 2022|Tags: , |

Silica Bifunctional Supports for the Direct Synthesis of H2O2: Optimization of Br/Acid Sites and Pd/Br Ratio

Autores: Blanco-Brieva, G; Desmedt, F; Miquel, P; Campos-Martin, JM; Fierro, JLG

Arículo.
Catalysts. vol: 12. page: .
Fecha: JUL. 2022.
Doi: 10.3390/catal12070796.

Resumen:
We have studied the direct synthesis of hydrogen peroxide using a catalytic system consisting of palladium supported on silica bifunctionalized with sulfonic acid groups and bromide in the absence of acid and halide promoters in solution. Catalysts with several [read more]

2022-09-14T10:57:38+02:00Categories: Publicaciones 2022|Tags: , |

Transformation of CoFe2O4 spinel structure into active and robust CoFe alloy/N-doped carbon electrocatalyst for oxygen evolution reaction

Autores: Gebreslase, GA; Martinez-Huerta, MV; Sebastian, D; Lazaro, MJ

Artículo.
J. Colloid Interface Sci.. vol: 625. page: 0021-9797.
Fecha: NOV. 2022.
Doi: 10.1016/j.jcis.2022.06.005.

Resumen:
Electrochemical water splitting is an environmentally benign technology employed for H-2 production; however, it is critically hampered by the sluggish kinetics of the oxygen evolution reaction (OER) at the positive electrode. In this work, nitrogen-doped carbon-coated CoFe electrocatalysts [read more]

2022-07-15T11:10:00+02:00Categories: Destacados, Publicaciones 2022|Tags: , |

Photodegradation of 2-propanol in gas phase over zirconium doped TiO2: Effect of Zr content

Autores: Jedidi, W; Arfaoui, J; Caudillo-Flores, U; Munoz-Batista, MJ; Ksibi, Z; Kubacka, A; Ghorbel, A; Fernandez-Garcia, M

Artículo.
J. Photochem. Photobiol. A-Chem.. vol: 427. page: 1010-6030.
Fecha: may-01. 2022.
Doi: 10.1016/j.jphotochem.2022.113774.

Resumen:
The photocatalytic activity in the 2-propanol degradation, under UV and sunlight (SL)-type irradiations, of a series of Zr-TiO(2 )materials, prepared using the sol-gel method, with a Zr content ranging from [read more]

2022-05-05T19:00:56+02:00Categories: Destacados, Publicaciones 2022|Tags: , |

Transforming Waste Clamshell into Highly Selective Nanostructured Catalysts for Solvent Free Liquid Phase Oxidation of Benzyl Alcohol

Autores: Saffari, NS; Aghabarari, B; Javaheri, M; Khanlarkhani, A; Martinez-Huerta, MV

Artículo.
Catalysts. vol: 12. page: .
Fecha: FEB. 2022.
Doi: 10.3390/catal12020155.

Resumen:
High yield production of benzaldehyde in the solvent-free oxidation of benzyl alcohol by using green catalysts is highly desirable. In this work, calcium hydroxide derived from waste clamshell was used as low-cost and environmentally friendly catalyst support (CaSUP) for [read more]

2022-02-05T00:00:00+01:00Categories: Publicaciones 2022|Tags: , |

Oxide-based composites: applications in thermo-photocatalysis

Autores: Barba-Nieto, I; Gomez-Cerezo, N; Kubacka, A; Fernandez-Garcia, M

Review; Early Access.
Catal. Sci. Technol.. vol: . page: 2044-4753.
Fecha: . .
Doi: 10.1039/d1cy01067k.

Resumen:
The combination of thermal and photonic energy sources to carry out catalyzed chemical reactions appears as a new avenue to optimize the current industrial-oriented processes as well as to open new ones. Herein, we analyze the contribution [read more]

2021-10-26T17:57:41+02:00Categories: Publications 2021|Tags: , |

Titania-decorated copper oxide nanophotocatalyst powder: A stable and promoted photocatalytic active system

Autores: Ansari, F; Sheibani, S; Caudillo-Flores, U; Fernandez-Garcia, M

Artículo.
J. Photochem. Photobiol. A-Chem.. vol: 418. page: 1010-6030.
Fecha: sep-01. 2021.
Doi: 10.1016/j.jphotochem.2021.113401.

Resumen:
In this work, the synthesis of the CuO-Cu2O nanocomposites decorated with TiO2 nanoparticles was performed by chemical-thermal oxidation and subsequently by the sol-gel method. The X-ray diffraction (XRD) analysis and field emission scanning electron microscopy (FESEM) showed using [read more]

2021-09-01T00:00:00+02:00Categories: Publicaciones 2022|Tags: , |

Catalytic and molecular insights of the esterification of ibuprofen and ketoprofen with glycerol

Authors: Toledo, MV; Jose, C; Suster, CRL; Collins, SE; Portela, R; Banares, MA; Briand, LE

Article.
Mol. Catal.. vol: 513. page: 2468-8231.
Date: AUG. 2021.
Doi: 10.1016/j.mcat.2021.111811.

Abstract:
The esterification of rac-ibuprofen and rac-ketoprofen with glycerol catalyzed with the commercial biocatalyst Novozym (R) 435 was investigated at 45 degrees C with various profen: glycerol molar ratios using 2-propanol as co-solvent in a [read more]

2021-08-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Effect of the Metal Deposition Order on Structural, Electronic and Catalytic Properties of TiO2-Supported Bimetallic Au-Ag Catalysts in 1-Octanol Selective Oxidation

Authors: Kotolevich, Y; Pakrieva, E; Kolobova, E; Farias, MH; Bogdanchikova, N; Corberan, VC; Pichugina, D; Nikitina, N; Carabineiro, SAC; Pestryakov, A

Article.
Catalysts. vol: 11. page: .
Date: JUL. 2021.
Doi: 10.3390/catal11070799.

Abstract:
Au and Ag were deposited on TiO2 modified with Ce, La, Fe or Mg in order to obtain bimetallic catalysts to be used for liquid-phase oxidation of 1-octanol. The [read more]

2021-07-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

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