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]

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]

Characterization and performance of Cu2O nanostructures on Cu wire photocatalyst synthesized in-situ by chemical and thermal oxidation

Authors: Ansari, F; Sheibani, S; Fernandez-Garcia, M

J. Mater. Sci.-Mater. Electron.. vol: 30. page: 0957-4522.
Date: JUL. 2019.
Doi: 10.1007/s10854-019-01745-8.

In this study, Cu2O nanostructures on Cu wire were formed with in situ chemical and then thermal oxidation to obtain the desirable structure, morphology and optical properties in order to enhance visible-light photocatalytic activity. The findings suggested that the procedure [read more]

Effect of different promoter precursors in a model Ru-Cs/graphite system on the catalytic selectivity for Fischer-Tropsch reaction

Authors: Eslava, JL; Iglesias-Juez, A; Fernandez-Garcia, M; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Appl. Surf. Sci.. vol: 447. page: 0169-4332.
Date: jul-31. 2018.
Doi: 10.1016/j.apsusc.2018.03.207.

The effect of using two different promoter precursors on the Fischer-Tropsch synthesis was studied over cesium promoted ruthenium catalysts supported on a high surface area graphite support. In this work we reveal significant modifications in the selectivity [read more]

Inclusion of Ti and Zr species on clay surfaces and their effect on the interaction with organic molecules

Authors: Rangel-Rivera, P; Bachiller-Baeza, MB; Galindo-Esquivel, I; Rangel-Porras, G

Appl. Surf. Sci.. vol: 445. page: 0169-4332.
Date: jul-01. 2018.
Doi: 10.1016/j.apsusc.2018.03.157.

The interactions between the clay surface and the organic molecules play an important role in the efficient of these materials in adsorption and catalytic processes. These materials are often modified with the inclusion of other catalytic particles for the [read more]


September 2022
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