Materials Science

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]

First-principles thermochemical properties of hexagonal and cubic phase BaMnO3

Autores: Ghose, KK; Bayon, A; Page, AJ

Mater. Today Commun.. vol: 31. page: .
Fecha: JUN. 2022.
Doi: 10.1016/j.mtcomm.2022.103453.

BaMnO3 perovskite oxide is an interesting material for many high-temperature technological applications due to its facile reduction capacity at reasonably low temperature. The thermochemical properties of BaMnO3 largely determine this reduction behaviour at high temperature. However, the temperature-dependent thermochemical properties of [read more]

Hyperspectral Imaging and Optical Trapping: Complementary Tools for Assessing Direction-Dependent Polarized Emission from Single Upconverting LiYF4:Yb3+/Er3+ Microparticles

Autores: Panov, N; Lu, DS; Ortiz-Rivero, E; Rodrigues, EM; Haro-Gonzalez, P; Jaque, D; Hemmer, E

Artículo; Early Access.
Adv. Opt. Mater.. vol: . page: 2195-1071.
Fecha: . .
Doi: 10.1002/adom.202100101.

Single-particle fluorescent probes with the capacity to infer specific intracellular conditions, for instance, have great application potential in the realm of biomedicine. Imaging techniques that improve our understanding of the fluorescence [read more]

Lead-free low-melting-point glass as bonding agent for TiO2 nanoparticles

Autores: Lopez-Esteban, S; Cabal, B; Borrell, A; Bartolome, JF; Fernandez, A; Faraldos, M; Bahamonde, A; Moya, JS; Pecharroman, C

Ceram. Int.. vol: 47. page: 0272-8842.
Fecha: mar-01. 2021.
Doi: 10.1016/j.ceramint.2020.10.190.

This work is a study of the properties of TiO2-anatase nanoparticles attached by a low-melting point inorganic glass (530 degrees C). Unlike other low-melting glasses, this composition does not contain [read more]

2021-04-08T11:49:40+02:00Categories: Publications 2021|Tags: , |

Visible light production of hydrogen from glycerol over Cu2O-gC(3)N(4) nanocomposites with enhanced photocatalytic efficiency

Authors: Alhaddad, M; Navarro, RM; Hussein, MA; Mohamed, RM

J. Mater. Res. Technol-JMRT. vol: 9. page: 2238-7854.
Date: NOV-DEC. 2020.
Doi: 10.1016/j.jmrt.2020.10.093.

In this work, we investigate nanostructured Cu2O-gC(3)N(4) composites with diverse Cu2O addition (0.5-3.0 mol %) prepared by ultrasonication-mixture of mesoporous Cu20 and g-C3N4 prepared individually from soft and hard -template sol gel, respectively. The efficiency of the Cu2O-gC(3)N(4) [read more]

Outstanding Properties and Performance of CaTi0.5Mn0.5O3-delta for Solar-Driven Thermochemical Hydrogen Production

Autores: Qian, X; He, JG; Mastronardo, E; Baldassarri, B; Yuan, WZ; Wolverton, C; Haile, SM

Matter. vol: 4. page: 2590-2393.
Fecha: feb-03. 2021.
Doi: 10.1016/j.matt.2020.11.016.

Variable valence oxides of the perovskite crystal structure have emerged as promising candidates for solar hydrogen production via two-step thermochemical cycling. Here, we report the exceptional efficacy of the perovskite CaTi0.5Mn0.5O3-delta (CTM55) for this process. [read more]

Enhancing NIR emission in ZnAl2O4:Nd,Ce nanofibers by co-doping with Ce and Nd: a promising biomarker material with low cytotoxicity

Autoes: Rojas-Hernandez, RE; Rubio-Marcos, F; Gorni, G; Marini, C; Danilson, M; Pascual, L; Ichikawa, RU; Hussainova, I; Fernandez, JF

J. Mater. Chem. C. vol: 9. page: 2050-7526.
Fecha: JAN 14. 2021.
Doi: 10.1039/d0tc04752j.

Development of new near infrared luminescent (NIR) emitters improves our understanding of their fundamental structure-property relationships. The ability to use efficient energy transfer to convert ultraviolet or [read more]


Autores: Campos-Martin, JM; Chica, A; Domine, ME; Garcia, T; Pawelec, B; Pinilla, JL; Rojas, S; Serra, JM; Suelves, I

Bol. Grupo Esp. Carbon. vol: . page: 2172-6094.
Date: DEC. 2020.

Biofuels will play a key role in the energy of the future, especially in the transport sector, reducing the current dependence on oil and the [read more]

Tecnologías del Hidrógeno

Autores: Chica, A; Fernandez, A; Fernandez, JR; Grasa, G; Laguna-Bercero, MA; Lazaro, MJ; Martinez, I; Pena, MA; Pinilla, JL; Sebastian, D; Serra, JM; Serra, M; Suelves, I; Valino, L

Bol. Grupo Esp. Carbon. vol: . page: 2172-6094.
Date: DEC. 2020.

The interest in hydrogen technologies has grown in recent years, mainly because an economy based [read more]

Bi2O3/g-C3N4 nanocomposites as proficient photocatalysts for hydrogen generation from aqueous glycerol solutions beneath visible light

Authors: Alhaddad, M; Navarro, RM; Hussein, MA; Mohamed, RM Article. Ceram. Int.. vol: 46. page: 0272-8842. Date: NOV. 2020. Doi: 10.1016/j.ceramint.2020.06.271. Abstract: A sequence of Bi2O3/g-C3N4 nanocomposites with diverse Bi2O3 content (0.5-5 molar %) has been synthesized by the sonication-mixture method using mesoporous beta-Bi2O3 and g-C3N4 and utilized as efficient photocatalysts for hydrogen generation from aqueous [read more]

2020-11-29T00:00:00+01:00Categories: Publicaciones 2020|Tags: , |


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