Applied; Physics

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]

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]

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]

Efficient sorption performance of carbon-diatomaceous silica compounds towards phenol

Authors: Hadjar, H; Hamdi, B; Bachiller-Baeza, B; Dona-Rodriguez, JM

Surf. Interfaces. vol: 24. page: 2468-0230.
Date: JUN. 2021.
Doi: 10.1016/j.surfin.2021.101101.

Phenol removal as organic pollutant model has been studied on new composite adsorbents prepared from carbon and natural diatomaceous silica mixtures in different proportions (KCp1, KCp2, and KCp3 with 10, 20, and 30% of carbonaceous matter, respectively). SEM observations clearly [read more]

Influence of Post-Synthesis Modifications of Ti1-xZrxO2 Nanocrystallites on Their Photocatalytic Activity for Toluene and Methylcyclohexane Degradation

Authors: Hernandez-Alonso, MD; Fresno, F; O’Shea, VAD; Soria, J; Coronado, JM

J. Nanosci. Nanotechnol.. vol: 19. page: 1533-4880.
Date: DEC. 2019.
Doi: 10.1166/jnn.2019.16738.

The modification of the structural and surface characteristics of Ti1-xZrxO2 nanocrystallites by post-synthesis treatments is revealed as an effective way to enhance their photocatalytic activity. Starting with the same batch of mixed oxide prepared from reverse microemulsions, [read more]

A Novel Approach to High-Performance Aliovalent-Substituted Catalysts-2D Bimetallic MOF-Derived CeCuOx Microsheets

Authors: Wang, QY; Li, ZM; Banares, MA; Weng, LT; Gu, QF; Price, J; Han, W; Yeung, KL

Small. vol: 15. page: 1613-6810.
Date: OCT. 2019.
Doi: 10.1002/smll.201903525.

Mixed transition metal oxides (MTMOs) have enormous potential applications in energy and environment. Their use as catalysts for the treatment of environmental pollution requires further enhancement in activity and stability. This work presents [read more]


octubre 2023
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