Condensed Matter

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

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

Appl. Surf. Sci.. vol: 610. page: 0169-4332.
Date: 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

Authors: 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.
Date: 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

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

Materials. vol: 15. page: .
Date: 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

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

Appl. Surf. Sci.. vol: 578. page: 0169-4332.
Date: 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

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

J. Phys.-Condes. Matter. vol: 33. page: 0953-8984.
Date: 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]

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]


May 2023
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