Applied; Physics

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

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

Abstract:
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

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

Abstract:
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

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

Abstract:
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

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

Abstract:
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

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

Abstract:
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]

Structural and spectroscopic properties of the polar antiferromagnet Ni2MnTeO6

Authors: Retuerto, M; Skiadopoulou, S; Borodavka, F; Kadlec, C; Kadlec, F; Prokleska, J; Deng, Z; Alonso, JA; Fernandez-Diaz, MT; Saouma, FO; Jang, JI; Legut, D; Kamba, S; Greenblatt, M

Article.
Phys. Rev. B. vol: 97. page: 2469-9950.
Date: APR 23. 2018.
Doi: 10.1103/PhysRevB.97.144418.

Abstract:
We present a structural and spectroscopic study of the compound Ni2MnTeO6, closely related to the polar antiferromagnet Ni3TeO6 [read more]

One-Directional Antenna Systems: Energy Transfer from Monomers to J-Aggregates within 1D Nanoporous Aluminophosphates

Authors: Sola-Llano, R; Fujita, Y; Gomez-Hortiguela, L; Alfayate, A; Uji-i, H; Fron, E; Toyouchi, S; Perez-Pariente, J; Lopez-Arbeloa, I; Martinez-Martinez, V

Article.
ACS Photonics. vol: 5. page: 2330-4022.
Date: JAN. 2018.
Doi: 10.1021/acsphotonics.7b00553.

Abstract:
A cyanine dye (PIC) was occluded into two 1D-nanopoporus Mg-containing aluminophosphates with different pore size (MgAPO-5 and MgAPO-36. with AFI and ATS zeolitic structure types, with cylindrical channels [read more]

Clay-Nanoarchitectures as Photocatalysts by In Situ Assembly of ZnO Nanoparticles and Clay Minerals

Authors: Akkari, M; Aranda, P; Amara, AB; Ruiz-Hitzky, E

Article.
J. Nanosci. Nanotechnol.. vol: 18. page: 1533-4880.
Date: JAN. 2018.
Doi: 10.1166/jnn.2018.14613.

Abstract:
ZnO-clay nanoarchitectures have been prepared by in situ generation of ZnO nanoparticles from zinc acetylacetonate in isopropanol under reflux in the presence of organoclays. Two layered clays, a commercialWyoming montmorillonite and a smectite from Gafsa (Tunisia), and a fibrous [read more]

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