Search Results - "Farías, M. H."

Photocatalytic activity of Fe3O4–Fe2O3 particles supported on mordenite under visible light exposure for methylene blue degradation by Avilés-Monreal, Raúl, Borbón-Nuñez, Hugo A., Farías, M. H., Castillón-Barraza, Felipe

“…Dyes pollution is a serious environmental problem and heterogeneous catalysis has been proposed as a remediation method. In this study, a set of catalysts of…”
Get full text

Comparative study of polyaniline cast films prepared from enzymatically and chemically synthesized polyaniline by Cruz-Silva, R, Romero-Garcia, J, Angulo-Sanchez, J L, Flores-Loyola, E, Farias, M H, Castillon, F F, Diaz, J A

“…Enzymatically and chemically synthesized polyaniline (Pani) were used to prepare free standing cast films from N-methyl-2-pyrrolidinone solutions. The films…”
Get full text

XPS, AES, and EELS characterization of nitrogen-containing thin films by Soto, G, de la Cruz, W, Farı́as, M.H

“…Pulsed laser deposition (PLD) appears to be a very efficient tool for material synthesis. Interstitial compounds like hydrides, carbides, and nitrides are…”
Get full text

Optical and surface analysis of DC-reactive sputtered AlN films by Mahmood, A., Machorro, R., Muhl, S., Heiras, J., Castillón, F.F., Farı́as, M.H., Andrade, E.

“…A set of aluminium nitride (AlN), thin films were prepared by DC-reactive magnetron sputtering. The deposition parameters, such as substrate temperature,…”
Get full text

Reaction of imidazole in gas phase at very low pressure with Cu foil and Cu oxides studied by X-ray photoelectron spectroscopy by HERNANDEZ, M. P, FERNANDEZ-BERTRAN, J. F, FARIAS, M. H, DIAZ, J. A

“…The gas‐phase reactions of imidazole with Cu foil, CuO and Cu2O powders at a pressure of 10−5 Torr are studied by means of X‐ray photoelectron spectroscopy…”
Get full text

Tungsten nitride films grown via pulsed laser deposition studied in situ by electron spectroscopies by Soto, G., de la Cruz, W., Castillón, F.F., Dı́az, J.A., Machorro, R., Farı́as, M.H.

“…Tungsten nitride (WNx) films were grown on silicon and glass slide substrates by laser ablating a tungsten target in molecular nitrogen ambient. By in situ…”
Get full text

β-Ga2O3 nanostructures for photocatalytic degradation of red amaranth toxic dye by Castillo-Saenz, J R, Domínguez, D, Arias, A, Arce, L A, Farías, M H, Pérez-Landeros, O M, Valdez, B, Nedev, N, López - Medina, J.

“…Beta gallium oxide (β-Ga2O3) microstructures composed of ∼50 nm nanoparticles were synthesized by the hydrothermal method. Using the Tauc plot method a value…”
Get full text

Effect of redox treatments on activation and deactivation of gold nanospecies supported on mesoporous silica in CO oxidation by Bogdanchikova, N., Pestryakov, A., Tuzovskaya, I., Zepeda, T.A., Farias, M.H., Tiznado, H., Martynyuk, O.

“…[Display omitted] ► Catalytic performance of mesoporous Au/HMS catalysts in the CO conversion. ► Effect of activation and deactivation of Au catalysts under…”
Get full text

Nanocrystalline gold supported on Fe-, Ti- and Ce-modified hexagonal mesoporous silica as a catalyst for the aerobic oxidative esterification of benzyl alcohol by Parreira, Luciana A., Bogdanchikova, Nina, Pestryakov, Alexey, Zepeda, T.A., Tuzovskaya, Inga, Farías, M.H., Gusevskaya, Elena V.

“…[Display omitted] ► The one-port aerobic oxidative esterification of benzyl alcohol was studied. ► Nanoparticles of gold supported on hexagonal mesoporous…”
Get full text

Solvothermal synthesis of three-dimensional molybdenum and rhenium diselenides and their performance in the hydrodesulfurization of dibenzothiophene by Vega-Granados, K., Aliaga, J., Araya, J., Alonso-Núñez, G., Farías, M.H., Paraguay-Delgado, F., Benavente, E., González, G., Cruz-Reyes, J.

“…•We prepared novel unsupported MoSe2 and ReSe2 catalysts by solvothermal synthesis.•Catalytic performance of these novel hierarchical selenides was tested in…”
Get full text

Characterization of tungsten oxide films produced by reactive pulsed laser deposition by Soto, G., Cruz, W.De La, Dı́az, J.A., Machorro, R., Castillón, F.F., Farı́as, M.H.

“…Tungsten oxide thin films have been prepared by reactive pulsed laser deposition (PLD). Substrate heat treatment and oxygen partial pressure during growth are…”
Get full text

A novel method for the synthesis of sub-microcrystalline wurtzite-type InxGa1-xN powders by GARCIA, R, HIRATA, G. A, FARIAS, M. H, MCKITTRICK, J

Get full text

Electronic properties of Co and Ni silicides: a theoretical approach using extended Huckel method by Galvan, D. H., Posada Amarillas, A., Samaniego Reyna, J. C., García-Méndez, M., Farías, M. H.

“…Calculations of electronic structure, total and projected density of states (DOS), crystal orbital overlap population (COOP), and average net charge, and also…”
Get full text

Microspherical ReS2 as a High-Performance Hydrodesulfurization Catalyst by Aliaga, J. A., Zepeda, T. N., Pawelec, B. N., Araya, J. F., Antúnez-García, J., Farías, M. H., Fuentes, S., Galván, D., Alonso-Núñez, G., González, G.

“…An unsupported microspherical ReS 2 catalyst, consisting in self-assembled nano-layers, was evaluated in the hydrodesulfurization (HDS) of 3-methylthiophene…”
Get full text

XPS and HRTEM characterization of cobalt–nickel silicide thin films by Garcı́a-Méndez, M, Castillón, F.F, Hirata, G.A, Farı́as, M.H, Beamson, G

“…We studied by X-ray photoelectron spectroscopy (XPS) and high-resolution transmission electron microscopy (HRTEM) films of Co–Ni/p-Si deposited by PLD on…”
Get full text

Non-quarter-wave dielectric mirror prepared by thermal atomic layer deposition by Lopez, J., Márquez, H., Borbón - Nuñez, H., Abundiz, N., Machorro, R., Farías, M.H., Contreras, O.E., Tiznado, H., Soto, G.

“…[Display omitted] •Non-quarter-wave dielectric mirror based on multilayer stack.•TiO2 – Al2O3 dielectric mirror was fabricated via thermal atomic layer…”
Get full text

Room temperature deposition of stable p-type ZnO:N thin films through chemical species modulation using reactive pulsed laser deposition by Regalado-Contreras, Angel, Farías, M.H., De La Cruz, W.

“…[Display omitted] •p-type ZnO:N films were deposited at room temperature by reactive pulsed laser deposition of a zinc metallic target.•Only O2 and N2 flow…”
Get full text

Biocatalytic synthesis of polypyrrole powder, colloids, and films using horseradish peroxidase by Cruz-Silva, R., Amaro, E., Escamilla, A., Nicho, M.E., Sepulveda-Guzman, S., Arizmendi, L., Romero-Garcia, J., Castillon-Barraza, F.F., Farias, M.H.

“…Polypyrrole was synthesized in high yield by a biocatalytic method in mild aqueous media using hydrogen peroxide as oxidizer. A redox mediator,…”
Get full text

On the nature of active gold species in zeolites in CO oxidation by Simakov, A., Tuzovskaya, I., Pestryakov, A., Bogdanchikova, N., Gurin, V., Avalos, M., Farías, M.H.

“…It was disclosed for Au/zeolites that not one, but several active sites can be reactive in CO oxidation on the same catalyst. Au 3+ cationic species does not…”
Get full text

Structure and properties of lead and lead sulfide nanoparticles in natural zeolite by Román-Zamorano, J. F., Flores-Acosta, M., Arizpe-Chávez, H., Castillón-Barraza, F. F., Farías, M. H., Ramírez-Bon, R.

“…We have synthesized lead and lead sulfide nanoparticles embedded in a natural zeolite (clinoptilolite) matrix by a simple hydrothermal process. The process…”
Get full text