Nanoscience & Nanotechnology; Materials Science

Upgrading the Properties of Reduced Graphene Oxide and Nitrogen-Doped Reduced Graphene Oxide Produced by Thermal Reduction toward Efficient ORR Electrocatalysts

Authors: Ramirez-Barria, CS; Fernandes, DM; Freire, C; Villaro-Abalos, E; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Article.
Nanomaterials. vol: 9. page: .
Date: DEC. 2019.
Doi: 10.3390/nano9121761.

Abstract:
N-doped (NrGO) and non-doped (rGO) graphenic materials are prepared by oxidation and further thermal treatment under ammonia and inert atmospheres, respectively, of natural graphites of different particle sizes. An extensive characterization of graphene materials points out that [read more]

Hydrogen Production by Formic Acid Decomposition over Ca Promoted Ni/SiO2 Catalysts: Effect of the Calcium Content

Authors: Faroldi, B; Paviotti, MA; Camino-Manjarres, M; Gonzalez-Carrazan, S; Lopez-Olmos, C; Rodriguez-Ramos, I

Article.
Nanomaterials. vol: 9. page: .
Date: NOV. 2019.
Doi: 10.3390/nano9111516.

Abstract:
Formic acid, a major product of biomass processing, is regarded as a potential liquid carrier for hydrogen storage and delivery. The catalytic dehydrogenation of FA to generate hydrogen using heterogeneous catalysts is of great interest. Ni based [read more]

Efficient Production of Multi-Layer Graphene from Graphite Flakes in Water by Lipase-Graphene Sheets Conjugation

Authors: Losada-Garcia, N; Berenguer-Murcia, A; Cazorla-Amoros, D; Palomo, JM

Article.
Nanomaterials. vol: 9. page: .
Date: SEP. 2019.
Doi: 10.3390/nano9091344.

Abstract:
Biographene was successfully produced in water from graphite flakes by a simple, rapid, and efficient methodology based on a bioexfoliation technology. The methodology consisted in the application of a lipase, with a unique mechanism of interaction with hydrophobic surfaces, combined with [read more]

Recent Progress on Transition Metal Nitrides Nanoparticles as Heterogeneous Catalysts

Authors: Dongil, AB

Review.
Nanomaterials. vol: 9. page: .
Date: AUG. 2019.
Doi: 10.3390/nano9081111.

Abstract:
This short review aims at providing an overview of the most recent literature regarding transition metal nitrides (TMN) applied in heterogeneous catalysis. These materials have received renewed attention in the last decade due to its potential to substitute noble metals mainly in biomass and energy transformations, the [read more]

La1.5Sr0.5NiMn0.5Ru0.5O6 Double Perovskite with Enhanced ORR/OER Bifunctional Catalytic Activity

Authors: Retuerto, M; Calle-Vallejo, F; Pascual, L; Lumbeeck, G; Fernandez-Diaz, MT; Croft, M; Gopalakrishnan, J; Pena, MA; Hadermann, J; Greenblatt, M; Rojas, S

Article.
ACS Appl. Mater. Interfaces. vol: 11. page: 1944-8244.
Date: jun-19. 2019.
Doi: 10.1021/acsami.9b02077.

Abstract:
Perovskites (ABO(3)) with transition metals in active B sites are considered alternative catalysts for the water oxidation to oxygen through the oxygen evolution reaction [read more]

Supported Gold Nanoparticles as Catalysts in Peroxidative and Aerobic Oxidation of 1-Phenylethanol under Mild Conditions

Authors: Pakrieva, E; Ribeiro, APC; Kolobova, E; Martins, LMDRS; Carabineiro, SAC; German, D; Pichugina, D; Jiang, C; Pombeiro, AJL; Bogdanchikova, N; Corberan, VC; Pestryakov, A

Article.
Nanomaterials. vol: 10. page: .
Date: JAN. 2020.
Doi: 10.3390/nano10010151.

Abstract:
The efficiency of Au/TiO2 based catalysts in 1-phenylethanol oxidation was investigated. The role of support modifiers (La2O3 or CeO2), influence of gold loading (0.5% or [read more]

High-Performance Photocatalytic Hydrogen Production and Degradation of Levofloxacin by Wide Spectrum-Responsive Ag/Fe3O4 Bridged SrTiO3/g-C3N4 Plasmonic Nanojunctions: Joint Effect of Ag and Fe3O4

Authors: Kumar, A; Rana, A; Sharma, G; Naushad, M; Al-Muhtaseb, AH; Guo, CS; Iglesias-Juez, A; Stadler, FJ

Article.
ACS Appl. Mater. Interfaces. vol: 10. page: 1944-8244.
Date: nov-28. 2018.
Doi: 10.1021/acsami.8b12753.

Abstract:
Highly photoresponsive semiconductor photocatalysis for energy and environmental applications require judicious choice and optimization of semiconductor interfaces for wide spectral capabilities. This work aims at rational designing of highly active [read more]

Influence of the Preparation Temperature on the Photocatalytic Activity of 3D-Ordered Macroporous Anatase Formed with an Opal Polymer Template

Authors: Torralvo-Fernandez, MJ; Enciso, E; Martinez, S; Sobrados, I; Sanz, J; Tonti, D; Soria, J; Yurdakal, S; Palmisano, G; Augugliaro, V

Article.
ACS Appl. Nano Mater.. vol: 1. page: 2574-0970.
Date: JUN. 2018.
Doi: 10.1021/acsanm.8b00253.

Abstract:
Even if many aspects of three-dimensionally ordered macroporous (3DOM) titania have been extensively studied, the interplay between the amorphous and crystalline components of their skeleton wall [read more]

Biobased, Internally pH-Sensitive Materials: Immobilized Yellow Fluorescent Protein as an Optical Sensor for Spatiotemporal Mapping of pH Inside Porous Matrices

Authors: Consolati, T; Bolivar, JM; Petrasek, Z; Berenguer, J; Hidalgo, A; Guisan, JM; Nidetzky, B

Article.
ACS Appl. Mater. Interfaces. vol: 10. page: 1944-8244.
Date: feb-28. 2018.
Doi: 10.1021/acsami.7b16639.

Abstract:
The pH is fundamental to biological function and its measurement therefore crucial across all biosciences. Unlike homogenous bulk solution, solids often feature internal pH gradients due to partition effects and confined biochemical [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]

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