Dr Jesum Alves Fernandes' Outputs (30)

Hemoglobin-derived Fe-Nx-S species supported by bamboo-shaped carbon nanotubes as efficient electrocatalysts for the oxygen evolution reaction (2020)
Journal Article
Chen, W., Luo, X., Ling, S., Zhou, Y., Shen, B., Slater, T. J., Alves Fernandes, J., Lin, T., Wang, J., & Shen, Y. (2020). Hemoglobin-derived Fe-Nx-S species supported by bamboo-shaped carbon nanotubes as efficient electrocatalysts for the oxygen evolution reaction. Carbon, 168, 588-596. https://doi.org/10.1016/j.carbon.2020.06.064

Herein, we report a facile route to synthesize isolated single iron atoms on nitrogen-sulfur-codoped carbon matrix via a direct pyrolysis process in which hemoglobin, a by-product of the meat industry, was utilized as a precursor for iron, nitrogen a... Read More about Hemoglobin-derived Fe-Nx-S species supported by bamboo-shaped carbon nanotubes as efficient electrocatalysts for the oxygen evolution reaction.

Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles (2020)
Journal Article
Martin, C., Kastner, K., Cameron, J. M., Hampson, E., Alves Fernandes, J., Gibson, E. K., Walsh, D. A., Sans, V., & Newton, G. N. (2020). Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles. Angewandte Chemie International Edition, 59(34), 14331-14335. https://doi.org/10.1002/anie.202005629

We report the design and preparation of multifunctional hybrid nanomaterials through the stabilization of gold nanoparticles with thiol‐functionalised hybrid organic–inorganic polyoxometalates (POMs). The covalent attachment of the hybrid POM forms n... Read More about Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles.

Polymer photocatalysts with plasma-enhanced activity (2020)
Journal Article
Sprick, R. S., Cheetham, K. J., Bai, Y., Alves Fernandes, J., Barnes, M., Bradley, J. W., & Cooper, A. I. (2020). Polymer photocatalysts with plasma-enhanced activity. Journal of Materials Chemistry A, 8(15), 7125-7129. https://doi.org/10.1039/d0ta01200a

Plasma treatment was used as a new method to enhance the photocatalytic performance of a hydrophobic polymer photocatalyst. The sacrificial hydrogen evolution rate was enhanced by a factor of more than 8 after a plasma treatment time of 20 minutes. C... Read More about Polymer photocatalysts with plasma-enhanced activity.

Highly modulated supported triazolium-based ionic liquids: direct control of the electronic environment on Cu nanoparticles (2020)
Journal Article
Valdebenito, C., Pinto, J., Nazarkovsky, M., Chacón, G., Martínez-Ferraté, O., Wrighton-Araneda, K., Cortés-Arriagada, D., Camarada, M. B., Alves Fernandes, J., & Abarca, G. (2020). Highly modulated supported triazolium-based ionic liquids: direct control of the electronic environment on Cu nanoparticles. Nanoscale Advances, 2(3), 1325-1332. https://doi.org/10.1039/d0na00055h

A series of new triazolium-based supported ionic liquids (SILPs), decorated with Cu NPs, were successfully prepared and applied to the N-arylation of aryl halides with anilines. The triazoles moieties were functionalised using copper-catalysed azide–... Read More about Highly modulated supported triazolium-based ionic liquids: direct control of the electronic environment on Cu nanoparticles.

Cerium Oxide Nanoparticles Inside Carbon Nanoreactors for Selective Allylic Oxidation of Cyclohexene (2020)
Journal Article
Agasti, N., Astle, M. A., Rance, G. A., Alves Fernandes, J., Dupont, J., & Khlobystov, A. N. (2020). Cerium Oxide Nanoparticles Inside Carbon Nanoreactors for Selective Allylic Oxidation of Cyclohexene. Nano Letters, 20(2), 1161-1171. https://doi.org/10.1021/acs.nanolett.9b04579

The confinement of cerium oxide (CeO2) nanoparticles within hollow carbon nanostructures has been achieved and harnessed to control the oxidation of cyclohexene. Graphitized carbon nanofibers (GNF) have been used as the nanoscale tubular host and fil... Read More about Cerium Oxide Nanoparticles Inside Carbon Nanoreactors for Selective Allylic Oxidation of Cyclohexene.

Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles—The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET (2019)
Journal Article
Cano, I., Martin, C., Fernandes, J. A., Lodge, R. W., Dupont, J., Casado-Carmona, F. A., Lucena, R., Cardenas, S., Sans, V., & de Pedro, I. (2020). Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles—The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET. Applied Catalysis B: Environmental, 260, Article 118110. https://doi.org/10.1016/j.apcatb.2019.118110

The functionalization of silica-coated, magnetic Fe3O4 nanoparticles, with an ironcontaining ionic liquid, allows for the synthesis of a Fe3O4@SiO2@(mim)[FeCl4] system that can be employed as a magnetically recoverable nanocatalyst. Herein, we prese... Read More about Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles—The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET.

Tunneling effects in confined gold nanoparticle hydrogenation catalysts (2019)
Journal Article
Luza, L., Gual, A., Fernandes, J. A., Eberhardt, D., & Dupont, J. (2019). Tunneling effects in confined gold nanoparticle hydrogenation catalysts. Physical Chemistry Chemical Physics, 21(30), 16615-16622. https://doi.org/10.1039/c9cp03012c

Clean surface gold nanoparticles (AuNPs) of ∼6.6 nm that were confined in ionic liquid (IL) cages of hybrid γ-alumina (γ-Al2O3) displayed hydrogenation pathways in the reduction of trans-cinnamaldehyde distinct from those imprinted directly onto γ-Al... Read More about Tunneling effects in confined gold nanoparticle hydrogenation catalysts.

On the real catalytically active species for CO2 fixation into cyclic carbonates under near ambient conditions: dissociation equilibrium of [BMIm][Fe(NO)2Cl2] dependant on reaction temperature (2018)
Journal Article
Leu, M. K., Vicente, I., Fernandes, J. A., de Pedro, I., Dupont, J., Sans, V., Licence, P., Gual, A., & Cano, I. (2019). On the real catalytically active species for CO2 fixation into cyclic carbonates under near ambient conditions: dissociation equilibrium of [BMIm][Fe(NO)2Cl2] dependant on reaction temperature. Applied Catalysis B: Environmental, 245, 240-250. https://doi.org/10.1016/j.apcatb.2018.12.062

An imidazolium based iron-containing ionic liquid [BMIm][Fe(NO)2Cl2] (BMIm = 1-n-butyl-3-methyl-imidazolium) has been synthesized for the first time and fully characterized employing a wide range of techniques. The iron-based containing ionic liquid... Read More about On the real catalytically active species for CO2 fixation into cyclic carbonates under near ambient conditions: dissociation equilibrium of [BMIm][Fe(NO)2Cl2] dependant on reaction temperature.

Selective Carbon Dioxide Hydrogenation Driven by Ferromagnetic RuFe Nanoparticles in Ionic Liquids (2018)
Journal Article
Qadir, M. I., Weilhard, A., Fernandes, J. A., de Pedro, I., Vieira, B. J. C., Waerenborgh, J. C., & Dupont, J. (2018). Selective Carbon Dioxide Hydrogenation Driven by Ferromagnetic RuFe Nanoparticles in Ionic Liquids. ACS Catalysis, 8(2), 1621-1627. https://doi.org/10.1021/acscatal.7b03804

© 2018 American Chemical Society. CO2 is selectively hydrogenated to HCO2H or hydrocarbons (HCs) by RuFe nanoparticles (NPs) in ionic liquids (ILs) under mild reaction conditions. The generation of HCO2H occurs in ILs containing basic anions, whereas... Read More about Selective Carbon Dioxide Hydrogenation Driven by Ferromagnetic RuFe Nanoparticles in Ionic Liquids.

Revealing Hydrogenation Reaction Pathways on Naked Gold Nanoparticles (2017)
Journal Article
Luza, L., Rambor, C. P., Gual, A., Alves Fernandes, J., Eberhardt, D., & Dupont, J. (2017). Revealing Hydrogenation Reaction Pathways on Naked Gold Nanoparticles. ACS Catalysis, 7(4), 2791-2799. https://doi.org/10.1021/acscatal.7b00391

© 2017 American Chemical Society. Gold nanoparticles (AuNPs) display distinct characteristics as hydrogenation catalysts, with higher selectivity and lower catalytic activity than group 8-10 metals. The ability of AuNPs to chemisorb/activate simple m... Read More about Revealing Hydrogenation Reaction Pathways on Naked Gold Nanoparticles.