Natural zeolite supported g-C3N4/ZnO/Ag3PO4 composite: A tandem n-n heterojunction for simultaneous photodegradation of dyes under visible and solar irradiation

2024-02-16T19:44:35+01:00Categories: Publicaciones 2024|

Autores: Bezu Z.; Taddesse A.M.; Diaz I.

Journal of Photochemistry and Photobiology A: Chemistry vol: 449
Fecha: 2024
Doi: 10.1016/j.jphotochem.2023.115369.

Resumen:
Various zinc-based ternary composite photocatalysts with variable weight percent ratios of g-C3N4:ZnO/Ag3PO4 in pristine and natural zeolite supported form were prepared using precipitation and solid-state methods, respectively. X-ray diffraction (XRD), Brunauer, Emmett, and Teller (BET), Scanning Electron Microscopy-Energy Dispersive [read more]

Green-Mediated Synthesis of Co3O4 Nanostructures for Efficient Oxygen Evolution Reaction and Supercapacitor Applications

2024-02-16T21:18:16+01:00Categories: Publicaciones 2024|

Autores: Bhatti A.L.; Tahira A.; Halepoto I.A.; Kumar S.; Ujjan Z.A.; Nafady A.; Shama N.A.; Dawi E.; Ashames A.; Saleem L.; Tonezzer M.; Infantes-Molin A.; Ibupoto Z.H.

Journal of Electronic Materials vol: 53
Fecha: 2024
Doi: 10.1007/s11664-023-10846-4.

Resumen:
A simple, scalable, and environmentally friendly process was demonstrated for the synthesis of Co3O4 nanostructures using lemon juice and hydrothermal chemistry. The [read more]

Solar-assisted oxidation of organochlorine pesticides in groundwater using persulfate and ferrioxalate

2024-02-17T10:22:40+01:00Categories: Destacados, Publicaciones 2024|Tags: |

Autores: Conte L.O.; Cotillas S.; Lorenzo D.; Bahamonde A.; Santos A.

Environmental Pollution vol: 343
Fecha: 15 February 2024, 123205
Doi: 10.1016/j.envpol.2023.123205.

Resumen:
The oxidation of hexachlorocyclohexane isomers in the aqueous phase (Milli-Q and groundwater) was studied using persulfate activated by ferrioxalate and solar light at circumneutral pH. The experiments were conducted in a solar simulator reactor with local radiation [read more]

Exploring Thermomyces lanuginosus Lipase (TLL)-PdNPs Nanohybrid as Suitable Catalyst for One-pot Synthesis of Bis(3-indolyl)phenylmethane

2024-02-16T21:28:14+01:00Categories: Publicaciones 2024|

Autors: Santos A.S.; Losada-Garcia N.; Garcia-Sanz C.; Silva A.M.S.; Marques M.M.B.; Palomo J.M.

ChemCatChem vol: 16
Fecha: 2024
Doi: 10.1002/cctc.202300748.

Resumen:
Palladium nanohybrids were synthesized and applied to the one-pot synthesis of bis(3-indolyl)methanes by selective C−C bond reaction from benzyl alcohol and indole. A T. lanuginosus lipase-palladium nanoparticles hybrid (Pd@TLL) was synthesized, yielding PdNPs with an average diameter size of [read more]

Transient photocatalytic oxidation of toluene vapor via nanostructured layers prepared by sol-gel on anatase particles

2024-02-17T10:24:11+01:00Categories: Destacados, Publicaciones 2024|Tags: |

Autores: Soria J.; Sanz J.; Sobrados I.; Fresno F.; Yurdakal S.; Augugliaro V.

Journal of Environmental Chemical Engineering vol: 12
Fecha: 2024
Doi: 10.1016/j.jece.2023.111635.

Resumen:
Gas-phase photocatalytic degradation of toluene mixed with wet oxygen was performed in a continuous reactor using anatase nanoparticles, home-prepared by the sol-gel method combined with peptization treatments. Titanium (IV) isopropoxide was used to synthesize amorphous [read more]

Bifunctional TiCo electrocatalysts based on N-doped graphene cryogels for the oxygen evolution and reduction reactions

2024-02-17T12:45:16+01:00Categories: Destacados, Publicaciones 2024|Tags: |

Autores: Luque-Centeno J.M.; Martínez-Huerta M.V.; Sebastián D.; Baglio V.; Lázaro M.J.

Carbon vol: 218
Date: 2024
Doi: 10.1016/j.carbon.2023.118615.

Resumen:
Three-dimensional N-doped graphene cryogels (NGC) modified with Ti and Co nanoparticles are investigated as bifunctional oxygen electrocatalysts for potential application in unitized regenerative fuel cells (URFCs). These composites have been successfully produced via a combined solvothermal, freeze-drying, and thermal treatment procedure. [read more]

Oxygen vacancies and tailored redox activity encountered with NiCo2O4 nanostructures for promising applications in supercapacitor and water oxidation

2024-02-17T10:08:47+01:00Categories: Destacados, Publicaciones 2024|Tags: |

Autores: Kumar S.; Tahira A.; Bhatti A.L.; Bhatti M.A.; Ujjan Z.A.; Aftab U.; Kumar S.; Al-Kahtani A.A.; Nafady A.; Dawi E.; Emo M.; Vigolo B.; Infantes-Molina A.; Ibupoto Z.H.

Journal of Energy Storage vol: 77
Fecha: 2024
Doi: 10.1016/j.est.2023.109994.

Resumen:
It is well known that transition metal oxides play a significant role in the development of efficient electrochemical energy storage [read more]

H2 production through aqueous phase reforming of ethanol over molybdenum carbide catalysts supported on zirconium oxide.

2024-02-16T21:32:28+01:00Categories: Publicaciones 2024|

Autores: Pavesi Contreras C.; Blanco E.; Pazo C.; Dongil A.B.; Escalona N.

Applied Catalysis A: General vol: 670
Fecha: 2024
Doi: 10.1016/j.apcata.2023.119535.

Resumen:
Molybdenum carbide catalysts supported on monoclinic and tetragonal zirconium oxide were studied for hydrogen production through aqueous phase reforming of ethanol. Catalysts were characterized by N2 physisorption, XRD, TPR and XPS. Results showed that 10%Mo2C/m-ZrO2 was less [read more]

Catalytic Conversion of Cyclopentanone into Dimethyl Adipate over Solid Basic Catalysts with Dimethyl Carbonate

2024-02-17T09:45:06+01:00Categories: Publicaciones 2024|

Autores: Martínez-Salazar I.; Orozco-Saumell A.; López Granados M.; Mariscal R.

Catalysts vol: 14
Fecha: 2024
Doi: 10.3390/catal14010086.

Resumen:
The synthesis of dimethyl adipate (DAP), a stable configuration of adipic acid, from biomass-derived cyclopentanone (CPO) and dimethyl carbonate (DMC) constitutes an attractive greener route than petroleum-based industrial processes. Solid basic catalysts such as MgO, Mg5(CO3)4(OH)2·4H2O, KOCH3 and Ca(OCH3)2 have been used [read more]

Chitinous material bioconversion by three new chitinases from the yeast Mestchnikowia pulcherrima

2024-02-16T19:28:57+01:00Categories: Publicaciones 2024|Tags: |

Autores: Minguet-Lobato, M; Cervantes, FV; Míguez, N; Plou, FJ; Fernández-Lobato, M

Artículo.
Microb. Cell. Fact.. vol: 23. page: .
Fecha: JAN 20. 2024.
Doi: 10.1186/s12934-024-02300-9.

Resumen:
Background Chitinases are widely distributed enzymes that perform the biotransformation of chitin, one of the most abundant polysaccharides on the biosphere, into useful value-added chitooligosaccharides (COS) with a wide variety of biotechnological applications in food, health, [read more]

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