Efficient Production of Solar Hydrogen Peroxide Using Piezoelectric Polarization and Photoinduced Charge Transfer of Nanopiezoelectrics Sensitized by Carbon Quantum Dots

Autores: Zhou, XF; Yan, F; Lyubartsev, A; Shen, B; Zhai, JW; Conesa, JC; Hedin, N

Artículo; Early Access.
Adv. Sci.. vol: . page: .
Fecha: . .
Doi: 10.1002/advs.202105792.

Resumen:
Piezoelectric semiconductors have emerged as redox catalysts, and challenges include effective conversion of mechanical energy to piezoelectric polarization and achieving high catalytic activity. The catalytic activity can be enhanced by simultaneous irradiation [read more]

Single adsorption of diclofenac and ronidazole from aqueous solution on commercial activated carbons: effect of chemical and textural properties

Autores: Moral-Rodriguez, AI; Leyva-Ramos, R; Mendoza-Mendoza, E; Diaz-Flores, PE; Carrales-Alvarado, DH; Alexandre-Franco, MF; Fernandez-Gonzalez, C

Artículo; Early Access.
Environ. Sci. Pollut. Res.. vol: . page: 0944-1344.
Fecha: . .
Doi: 10.1007/s11356-021-17466-7.

Resumen:
The importance of the textural and physicochemical characteristics upon the adsorption capacity of the commercial activated carbons (ACs) Coconut, Wood, Merck, Darco, and Norit towards ronidazole (RNZ) and diclofenac (DCF) [read more]

2022-05-05T15:54:26+02:00Categories: Publicaciones 2022|Tags: |

One-Pot Conversion of Glucose into 5-Hydroxymethylfurfural using MOFs and Bronsted-Acid Tandem Catalysts

Autores: Lara-Serrano, M; Morales-delaRosa, S; Campos-Martin, JM; Abdelkader-Fernandez, VK; Cunha-Silva, L; Balula, SS

Artículo; Early Access.
Adv. Sustain. Syst.. vol: . page: 2366-7486.
Fecha: . .
Doi: 10.1002/adsu.202100444.

Resumen:
The direct conversion reaction of glucose to 5-hydroxymethylfurfural (HMF) is studied using metal organic framework (MOF) as Lewis-acid catalysts and a polyoxometalate (POM), silicotungstic acid, as a Brensted-type acid with a mixture of [read more]

Synthesis of cyclohexylphenol via phenol hydroalkylation using Co2P/zeolite catalysts

Autores: Gutierrez-Rubio, S; Shamzhy, M; Cejka, J; Serrano, DP; Coronado, JM; Moreno, I

Artículo.
Catal. Today. vol: 390. page: 0920-5861.
Fecha: may-01. 2022.
Doi: 10.1016/j.cattod.2021.11.039.

Resumen:
Cyclohexylphenol (CHP) is a high added-value chemical, extensively used for the preparation of dyes, resins and biocides. This molecule is currently synthetized by phenol alkylation with cyclohexene/cyclohexanol using highly polluting mineral Bronsted acids as catalysts. The [read more]

Semiamorphous Fe-BDC: The missing link between the highly-demanded iron carboxylate MOF catalysts

Autores: Flores, JG; Delgado-Garcia, R; Sanchez-Sanchez, M

Artículo.
Catal. Today. vol: 390. page: 0920-5861.
Fecha: may-01. 2022.
Doi: 10.1016/j.cattod.2021.11.004.

Resumen:
Porous Fe carboxylates are amongst the most promising MOF-based materials due to their low price, low toxicity, metal environments (including open metal sites) and remarkable (meso)porosity variety. Fe-MOFs based on the cluster [Fe3O(X)(solvent)(2)](6+), that is, MIL-101(Fe), MIL-100(Fe) and semiamorphous Fe-BTC, are of [read more]

Ti-PMO materials as selective catalysts for the epoxidation of cyclohexene and vernonia oil

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

Artículo.
Catal. Today. vol: 390. page: 0920-5861.
Fecha: may-01. 2022.
Doi: 10.1016/j.cattod.2021.10.010.

Resumen:
The aim of this study is to obtain Ti-containing Periodic Mesoporous Organosilica (PMO) materials with catalytic activity in epoxidation reactions. Characterization of the PMO materials using X ray diffraction, N-2 sorption isotherms, chemical analysis (ICP-OES) and UV-vis spectroscopy reveals that the Ti-PMO [read more]

The effect of non-ionic surfactants on the sustainable synthesis of selected MOFs

Autores: Habib, NR; Sainz, R; Taddesse, AM; Diaz, I

Artículo.
Catal. Today. vol: 390. page: 0920-5861.
Fecha: may-01. 2022.
Doi: 10.1016/j.cattod.2021.09.028.

Resumen:
The MOFs selected in this work are NH2-MIL-53(Al), MIL-100(Fe) and UiO-66 type (Zr-BDC and NH2-Zr-BDC). We have tried to assist the sustainable synthesis of MOFs, at room temperature and in water as a solvent, with the presence of non-ionic surfactants: [read more]

Sustainable synthesis of semicrystalline Zr-BDC MOF and heterostructural Ag3PO4/Zr-BDC/g-C3N4 composite for photocatalytic dye degradation

Autores: Yassin, JM; Taddesse, AM; Sanchez-Sanchez, M

Artículo.
Catal. Today. vol: 390. page: 0920-5861.
Fecha: may-01. 2022.
Doi: 10.1016/j.cattod.2021.11.037.

Resumen:
Zr-based MOFs have stimulated the interest of scientific community due to their exceptional variety in composition, structure and chemical environment as well as their consequent applications including photo catalysis. This work presents the successful preparation of nanosized highly-porous Zr-BDC MOFs under sustainable [read more]

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: , |

Synthesis of silver and gold nanoparticles-enzyme-polymer conjugate hybrids as dual-activity catalysts for chemoenzymatic cascade reactions

Autores: Naapuri, JM; Losada-Garcia, N; Deska, J; Palomo, JM

Article.
Nanoscale. vol: 14. page: 2040-3364.
Fecha: APR 14. 2022.
Doi: 10.1039/d2nr00361a.

Resumen:
Novel hybrids containing silver or gold nanoparticles have been synthesized in aqueous media and at room temperature using enzymes or tailor-made enzyme-polymer conjugates, which directly induced the formation of inorganic silver or gold species. The choice of pH, protein, or [read more]

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