Condensed Matter

Recent Advances in the Use of Covalent Organic Frameworks as Heterogenous Photocatalysts in Organic Synthesis

Autores: Lopez-Magano, A; Daliran, S; Oveisi, AR; Mas-Balleste, R; Dhakshinamoorthy, A; Aleman, J; Garcia, H; Luque, R

Adv. Mater.. vol: 35. page: 0935-9648.
Fecha: JUN. 2023.
Doi: 10.1002/adma.202209475.

Organic photochemistry is intensely developed in the 1980s, in which the nature of excited electronic states and the energy and electron transfer processes are thoroughly studied and finally well-understood. This knowledge from [read more]

High Performance and Durable Anode with 10-Fold Reduction of Iridium Loading for Proton Exchange Membrane Water Electrolysis

Autores: Torrero, J; Morawietz, T; Sanchez, DG; Galyamin, D; Retuerto, M; Martin-Diaconescu, V; Rojas, S; Alonso, JA; Gago, AS; Friedrich, KA

Artículo; Early Access.
Adv. Energy Mater.. vol: . page: 1614-6832.
Fecha: 2023 APR 29. 2023.
Doi: 10.1002/aenm.202204169.

Proton exchange membrane water electrolysis (PEMWE) technology is especially advantageous for green H-2 production as a clean energy vector. During the water electrolysis [read more]

Bimetallic MnO2-supported catalysts for selective reduction of NO with NH3. Operando IR studies

Autores: Serrano-Lotina, A; Cruz, K; Banares, MA; Daturi, M; Avila, P

Appl. Surf. Sci.. vol: 610. page: 0169-4332.
Fecha: feb-01. 2023.
Doi: 10.1016/j.apsusc.2022.155550.

Bimetallic shaped catalysts were prepared by wet equilibrium impregnation. MnO2 was the main component and a second metal oxide (Co, Fe and Ce oxides) was added. The highest catalytic activity in the selective reduction of NOx with [read more]

Physicochemical properties and photocatalytic activity in the 2-propanol degradation of transition metals (Zr, Zn or Nb) doped TiO2 solids

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

Mater. Sci. Eng. B-Adv. Funct. Solid-State Mater.. vol: 286. page: 0921-5107.
Fecha: DEC. 2022.
Doi: 10.1016/j.mseb.2022.116034.

For improving the photocatalytic activity of titania under UV or sunlight (SL) irradiations in the gaseous phase degradation of 2-propanol, M-TiO2 catalysts were synthesized by the sol-gel [read more]

Improved Methane Production by Photocatalytic CO2 Conversion over Ag/In2O3/TiO2 Heterojunctions

Autores: Renones, P; Fresno, F; Oropeza, FE; O’shea, VAD

Materials. vol: 15. page: .
Fecha: FEB. 2022.
Doi: 10.3390/ma15030843.

In this work, the role of In2O3 in a heterojunction with TiO2 is studied as a way of increasing the photocatalytic activity for gas-phase CO2 reduction using water as the electron donor and UV irradiation. Depending on the nature of the [read more]

Sustainable synthesis of a new semiamorphous Ti-BDC MOF material and the photocatalytic performance of its ternary composites with Ag3PO4 and g-C3N4

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

Appl. Surf. Sci.. vol: 578. page: 0169-4332.
Fecha: mar-15. 2022.
Doi: 10.1016/j.apsusc.2021.151996.

Ti-MOFs have significant research and industrial demand due to their extraordinary photocatalytic potential. However, the number of known Ti-MOFs is quite limited compared to other high-valent based MOFs. In this work, we present a new Ti-MOF, prepared under environmental, energetic and [read more]

Facet-dependent stability of near-surface oxygen vacancies and excess charge localization at CeO2 surfaces

Autores: Perez-Bailac, P; Lustemberg, PG; Ganduglia-Pirovano, MV

J. Phys.-Condes. Matter. vol: 33. page: 0953-8984.
Fecha: DEC 15. 2021.
Doi: 10.1088/1361-648X/ac238b.

To study the dependence of the relative stability of surface (V ( A )) and subsurface (V-B ) oxygen vacancies with the crystal facet of CeO2, the reduced (100), (110) and (111) surfaces, with two different concentrations of vacancies, were [read more]

2021-12-15T00:00:00+01:00Categories: Publications 2021|Tags: , |

Study of the Interaction of an Iron Phthalocyanine Complex over Surface Modified Carbon Nanotubes

Authors: Perez-Cadenas, M; Asedegbega-Nieto, E; Carter, J; Anderson, JA; Rodriguez-Ramos, I; Guerrero-Ruiz, A

Materials. vol: 14. page: .
Date: AUG. 2021.
Doi: 10.3390/ma14154067.

Carbon nanotubes (CNT) were prepared by a modified chemical vapor deposition (CVD) method. The synthesized carbon materials were treated with acidic and basic solutions in order to introduce certain surface functional groups, mainly containing oxygen (OCNT) or [read more]

Operational Variables on the Processing of Porous Titanium Bodies by Gelation of Slurries with an Expansive Porogen

Authors: Sanchez-Herencia, AJ; Gonzalez, Z; Rodriguez, A; Molero, E; Ferrari, B

Materials. vol: 14. page: .
Date: AUG. 2021.
Doi: 10.3390/ma14164744.

Colloidal processing techniques, based on the suspension of powders in a liquid, are very versatile techniques to fabricate porous structures. They can provide customized pores, shapes and surfaces through the control of operational parameters, being the base of the [read more]


octubre 2023
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