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

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

Article; Early Access.
Adv. Sci.. vol: . page: .
Date: . .
Doi: 10.1002/advs.202105792.

Abstract:
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]

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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

Synthesis of cyclohexylphenol via phenol hydroalkylation using Co2P/zeolite catalysts

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

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

Abstract:
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]

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

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

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

Abstract:
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]

2022-05-05T18:59:34+02:00Categories: Highlights, Publications 2022|Tags: , |

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

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

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

Abstract:
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]

A combination of proton spin diffusion NMR and molecular simulations to probe supramolecular assemblies of organic molecules in nanoporous materials

Authors: Dib, E; Bernardo-Maestro, B; Lopez-Arbeloa, F; Perez-Pariente, J; Gomez-Hortiguela, L

Article.
Dalton Trans.. vol: 51. page: 1477-9226.
Date: APR 5. 2022.
Doi: 10.1039/d2dt00497f.

Abstract:
In this work we show the use of high-resolution H-1 MAS NMR to distinguish between two kinds of aggregation states of (1R,2S)-ephedrine, a chiral organic structure directing agent, occluded within AFI-type microporous aluminophosphates. We investigate in particular [read more]

2022-05-05T18:12:01+02:00Categories: Publications 2022|Tags: , |

Electrooxidation of ethanol and acetaldehyde in neutral electrolyte, an infrared study

Authors: Torrero, J; Garcia, A; Retuerto, M; Pena, MA; Rojas, S

Article.
J. Electroanal. Chem.. vol: 908. page: 1572-6657.
Date: mar-01. 2022.
Doi: 10.1016/j.jelechem.2021.115968.

Abstract:
The electrooxidation of ethanol (EOR) in neutral media is attracting a great deal of attention, especially in the area of micro devices and microbial fuel cells. In this work we study the EOR with PVC in neutral [read more]

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