All Outputs (22)

Elucidation of single atom catalysts for energy and sustainable chemical production: Synthesis, characterization and frontier science (2023)
Journal Article
Loy, A. C. M., Teng, S. Y., How, B. S., Zhang, X., Cheah, K. W., Butera, V., Leong, W. D., Chin, B. L. F., Yiin, C. L., Taylor, M. J., & Kyriakou, G. (2023). Elucidation of single atom catalysts for energy and sustainable chemical production: Synthesis, characterization and frontier science. Progress in Energy and Combustion Science, 96, Article 101074. https://doi.org/10.1016/j.pecs.2023.101074

The emergence of single atom sites as a frontier research area in catalysis has sparked extensive academic and industrial interest, especially for energy, environmental and chemicals production processes. Single atom catalysts (SACs) have shown remar... Read More about Elucidation of single atom catalysts for energy and sustainable chemical production: Synthesis, characterization and frontier science.

Support induced effects on the ir nanoparticles activity, selectivity and stability performance under CO<inf>2</inf> reforming of methane (2021)
Journal Article
Nikolaraki, E., Goula, G., Panagiotopoulo, P., Taylor, M. J., Kousi, K., Kyriakou, G., …Yentekakis, I. V. (2021). Support induced effects on the ir nanoparticles activity, selectivity and stability performance under CO2 reforming of methane. Nanomaterials, 11(11), Article 2880. https://doi.org/10.3390/nano11112880

The production of syngas (H2 and CO)—a key building block for the manufacture of liquid energy carriers, ammonia and hydrogen—through the dry (CO2 −) reforming of methane (DRM) continues to gain attention in heterogeneous catalysis, renewable energy... Read More about Support induced effects on the ir nanoparticles activity, selectivity and stability performance under CO<inf>2</inf> reforming of methane.

PdCu single atom alloys supported on alumina for the selective hydrogenation of furfural (2021)
Journal Article
Islam, M. J., Granollers Mesa, M., Osatiashtiani, A., Manayil, J. C., Isaacs, M. A., Taylor, M. J., …Kyriakou, G. (2021). PdCu single atom alloys supported on alumina for the selective hydrogenation of furfural. Applied catalysis. B, Environmental, 299, Article 120652. https://doi.org/10.1016/j.apcatb.2021.120652

Single-atom catalysts serve as a skilful control of precious metals on heterogenous catalysts where all active sites are accessible for catalytic reactions. Here we report the adoption of PdCu single-atom alloys supported on alumina for the selective... Read More about PdCu single atom alloys supported on alumina for the selective hydrogenation of furfural.

Kinetic modelling of hydrogen transfer deoxygenation of a prototypical fatty acid over a bimetallic Pd60Cu40 catalyst: an investigation of the surface reaction mechanism and rate limiting step (2020)
Journal Article
Cheah, K. W., Yusup, S., Taylor, M. J., How, B. S., Osatiashtiani, A., Nowakowski, D. J., Bridgwater, A. V., Skoulou, V., Kyriakou, G., & Uemura, Y. (2020). Kinetic modelling of hydrogen transfer deoxygenation of a prototypical fatty acid over a bimetallic Pd60Cu40 catalyst: an investigation of the surface reaction mechanism and rate limiting step. Reaction Chemistry and Engineering, 5(9), 1682-1693. https://doi.org/10.1039/d0re00214c

Herein, for the first time, we demonstrate a novel continuous flow process involving the application of tetralin as a hydrogen
donor solvent for the catalytic conversion of oleic acid to diesel-like hydrocarbons, using an efficient and stable carbon... Read More about Kinetic modelling of hydrogen transfer deoxygenation of a prototypical fatty acid over a bimetallic Pd60Cu40 catalyst: an investigation of the surface reaction mechanism and rate limiting step.

A comprehensive experimental and theoretical study of the CO + NO reaction catalyzed by Au/Ni nanoparticles (2019)
Journal Article
Holgado, J. P., Wheatley, A. E., Kyriakou, G., Márquez, A. M., Holgado, J. P., Taylor, M. J., Wheatley, A. E. H., Mehta, J. P., Fernández Sanz, J., Beaumont, S. K., & Lambert, R. M. (2019). A comprehensive experimental and theoretical study of the CO + NO reaction catalyzed by Au/Ni nanoparticles. ACS Catalysis, 9(6), 4919-4929. https://doi.org/10.1021/acscatal.8b05154

The catalytic and structural properties of five different nanoparticle catalysts with varying Au/Ni composition were studied by six different methods, including in situ X-ray absorption spectroscopy and density functional theory (DFT) calculations. T... Read More about A comprehensive experimental and theoretical study of the CO + NO reaction catalyzed by Au/Ni nanoparticles.

Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons (2019)
Journal Article
Cheah, K. W., Taylor, M. J., Osatiashtiani, A., Beaumont, S. K., Nowakowski, D. J., Yusup, S., Bridgwater, A. V., & Kyriakou, G. (in press). Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons. Catalysis Today, https://doi.org/10.1016/j.cattod.2019.03.017

Bimetallic PdxNi(100-x) and PdxCu(100-x) structures of a wide compositional range supported on activated carbon were synthesised via a simple, cheap and commercially relevant method. The surface and bulk properties of both the bimetallic structures a... Read More about Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons.

Effect of support oxygen storage capacity on the catalytic performance of Rh nanoparticles for CO2 reforming of methane (2018)
Journal Article
Yentekakis, I. V., Goula, G., Hatzisymeon, M., Betsi-Argyropoulou, I., Botzolaki, G., Kousi, K., Kondarides, D. I., Taylor, M. J., Parlett, C. M., Osatiashtiani, A., Kyriakou, G., Holgado, J. P., & Lambert, R. M. (2019). Effect of support oxygen storage capacity on the catalytic performance of Rh nanoparticles for CO2 reforming of methane. Applied catalysis. B, Environmental, 243, 490-501. https://doi.org/10.1016/j.apcatb.2018.10.048

The effects of the metal oxide support on the activity, selectivity, resistance to carbon deposition and high temperature oxidative aging on the Rh-catalyzed dry reforming of methane (DRM) were investigated. Three Rh catalysts supported on oxides cha... Read More about Effect of support oxygen storage capacity on the catalytic performance of Rh nanoparticles for CO2 reforming of methane.

In-situ hydrogen generation from 1,2,3,4-tetrahydronaphthalene for catalytic conversion of oleic acid to diesel fuel hydrocarbons: Parametric studies using Response Surface Methodology approach (2018)
Journal Article
Cheah, K. W., Yusup, S., Kyriakou, G., Ameen, M., Taylor, M. J., Nowakowski, D. J., Bridgwater, A. V., & Uemura, Y. (2019). In-situ hydrogen generation from 1,2,3,4-tetrahydronaphthalene for catalytic conversion of oleic acid to diesel fuel hydrocarbons: Parametric studies using Response Surface Methodology approach. International Journal of Hydrogen Energy, 44(37), 20678-20689. https://doi.org/10.1016/j.ijhydene.2018.05.112

This work reported a new strategy in producing synthetic diesel hydrocarbons from a mono-unsaturated fatty acid model compound, oleic acid and replacing high pressure molecular hydrogen with a hydrogen-rich donor solvent, 1,2,3,4–tetrahydronaphthalen... Read More about In-situ hydrogen generation from 1,2,3,4-tetrahydronaphthalene for catalytic conversion of oleic acid to diesel fuel hydrocarbons: Parametric studies using Response Surface Methodology approach.

Cover Picture: Ann. Phys. 2'2018 (2018)
Journal Article
Verrelli, E., Michelakaki, I., Boukos, N., Kyriakou, G., & Tsoukalas, D. (2018). Cover Picture: Ann. Phys. 2'2018. Annalen der Physik, 530(2), https://doi.org/10.1002/andp.201870013

In article number 1700256, Emanuele Verrelli and co‐workers propose that cluster beam deposition of sub‐2nm magic number Au clusters, Au20 and Au55, on flat surfaces reveals a rich evolution of the phenomena taking place at substrate level. New magic... Read More about Cover Picture: Ann. Phys. 2'2018.

Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification (2017)
Journal Article
Alotaibi, M., Manayil, J. C., Greenway, G. M., Haswell, S. J., Kelly, S. M., Lee, A. F., Wilson, K., & Kyriakou, G. (2017). Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification. Reaction Chemistry and Engineering, 3(1), 68-74. https://doi.org/10.1039/c7re00162b

Lipase immobilised on silica monoliths has been prepared and applied as biocatalytic continuous-flow microreactors for the transesterification of tributyrin as a model bio-oil component. Candida antarctica lipase was trapped within the pores of silic... Read More about Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification.

Coalescence of cluster beam generated sub-2 nm bare Au nanoparticles and analysis of Au film growth parameters (2017)
Journal Article
Verrelli, E., Michelakaki, I., Boukos, N., Kyriakou, G., & Tsoukalas, D. (2017). Coalescence of cluster beam generated sub-2 nm bare Au nanoparticles and analysis of Au film growth parameters. Annalen der Physik, 530(2), 1700256. https://doi.org/10.1002/andp.201700256

© 2017 by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim In this work is presented the growth model for Au films grown on a carbon substrate at room temperature by using as building blocks Au nanoparticles (NPs) with 1.4 nm mean size generated via remo... Read More about Coalescence of cluster beam generated sub-2 nm bare Au nanoparticles and analysis of Au film growth parameters.

Ir-catalysed N2O decomposition effect of Ir particle size and metal support interactions (2017)
Journal Article
Yentekakis, I., Goula, G., Kampouri, S., Betsi-argyropoulou, I., Panagiotopoulou, P., Taylor, M., Kyriakou, G., & Lambert, R. (2018). Ir-catalysed N2O decomposition effect of Ir particle size and metal support interactions. Catalysis Letters, 148(1), 341-347. https://doi.org/10.1007/s10562-017-2233-z

The effect of the morphology of Ir particles supported on γ-Al2O3, 8 mol%Y2O3-stabilized ZrO2 (YSZ), 10 mol%Gd2O3-doped CeO2 (GDC) and 80 wt%Al2O3–10 wt%CeO2–10 wt%ZrO2 (ACZ) on their stability on oxidative conditions, the associated metal–support in... Read More about Ir-catalysed N2O decomposition effect of Ir particle size and metal support interactions.

Dual wavelength (ultraviolet and green) photodetectors using solution processed zinc oxide nanoparticles (2017)
Journal Article
O'Neill, M., Ibrahem, M. A., Verrelli, E., Lai, K. T., Kyriakou, G., Lee, A. F., Isaacs, M. A., Cheng, F., & O’Neill, M. (2017). Dual wavelength (ultraviolet and green) photodetectors using solution processed zinc oxide nanoparticles. ACS Applied Materials & Interfaces, 9(42), 36971-36979. https://doi.org/10.1021/acsami.7b08092

Narrow-band photoconductivity with a spectral width of 0.16 eV is obtained from solution-processed colloidal ZnO nanocrystals beneath the band-edge at 2.25 eV. A new model involving electron transfer from deep defects to discrete shallow donors is in... Read More about Dual wavelength (ultraviolet and green) photodetectors using solution processed zinc oxide nanoparticles.

Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles (2017)
Journal Article
Orozco, N., Kyriakou, G., Beaumont, S. K., Fernandez Sanz, J., Holgado, J. P., Taylor, M. J., Espinós, J. P., Márquez, A. M., Watson, D. J., Gonzalez-Elipe, A. R., & Lambert, R. M. (2017). Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles. ACS Catalysis, 7(5), 3113-3120. https://doi.org/10.1021/acscatal.7b00431

The essential role of oxygen in enabling heterogeneously catalyzed Glaser-Hay coupling of phenylacetylene on Ag(100) was elucidated by STM, laboratory and synchrotron photoemission, and DFT calculations. In the absence of coadsorbed oxygen, phenylace... Read More about Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles.

Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts (2017)
Journal Article
Taylor, M. J., Jiang, L., Reichert, J., Papageorgiou, A. C., Beaumont, S. K., Wilson, K., Lee, A. F., Barth, J. V., & Kyriakou, G. (2017). Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts. Journal of physical chemistry. C, 121(15), 8490-8497. https://doi.org/10.1021/acs.jpcc.7b01744

Furfural is a key bioderived platform chemical whose reactivity under hydrogen atmospheres affords diverse chemical intermediates. Here, temperature-programmed reaction spectrometry and complementary scanning tunneling microscopy (STM) are employed t... Read More about Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts.

Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors (2015)
Journal Article
Alotaibi, M. T., Taylor, M. J., Liu, D., Beaumont, S. K., & Kyriakou, G. (2016). Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors. Surface science, 646, 179-185. https://doi.org/10.1016/j.susc.2015.10.039

Two simple, reproducible methods of preparing evenly distributed Au nanoparticle containing mesoporous silica monoliths are investigated. These Au nanoparticle containing monoliths are subsequently investigated as flow reactors for the selective oxid... Read More about Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors.

Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions (2015)
Journal Article
Taylor, M. J., Durndell, L. J., Isaacs, M. A., Parlett, C. M., Wilson, K., Lee, A. F., & Kyriakou, G. (2016). Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions. Applied catalysis. B, Environmental, 180, 580-585. https://doi.org/10.1016/j.apcatb.2015.07.006

The selective liquid phase hydrogenation of furfural to furfuryl alcohol over Pt nanoparticles supported on SiO₂, ZnO, γ-Al2O₃, CeO₂ is reported under extremely mild conditions. Ambient hydrogen pressure, and temperatures as low as 50 °C are shown su... Read More about Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions.

Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template (2014)
Journal Article
Elaigwu, S. E., Kyriakou, G., Prior, T. J., & Greenway, G. M. (2014). Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template. Materials letters, 123, 198-201. https://doi.org/10.1016/j.matlet.2014.03.003

A new microwave-assisted hydrothermal synthesis of carbon monolith is reported in this work. The process uses microwave heating at 100 °C under acidic condition by employing a triblock copolymer F127 as the template, and resorcinol–formaldehyde as th... Read More about Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template.

Controlling a spillover pathway with the molecular cork effect (2013)
Journal Article
Marcinkowski, M. D., Jewell, A. D., Stamatakis, M., Boucher, M. B., Lewis, E. A., Murphy, C. J., Kyriakou, G., & Sykes, E. C. H. (2013). Controlling a spillover pathway with the molecular cork effect. Nature Materials, 12(6), 523-528. https://doi.org/10.1038/nmat3620

Spillover of reactants from one active site to another is important in heterogeneous catalysis and has recently been shown to enhance hydrogen storage in a variety of materials. The spillover of hydrogen is notoriously hard to detect or control. We r... Read More about Controlling a spillover pathway with the molecular cork effect.

Isolated metal atom geometries as a strategy for selective heterogeneous hydrogenations (2012)
Journal Article
Boucher, M. B., Kyriakou, G., Jewell, A. D., Lewis, E. A., Sykes, E. C. H., Baber, A. E., Flytzani-Stephanopoulos, M., Lawton, T. J., & Tierney, H. L. (2012). Isolated metal atom geometries as a strategy for selective heterogeneous hydrogenations. Science, 335(6073), 1209-1212. https://doi.org/10.1126/science.1215864

Facile dissociation of reactants and weak binding of intermediates are key requirements for efficient and selective catalysis. However, these two variables are intimately linked in a way that does not generally allow the optimization of both properti... Read More about Isolated metal atom geometries as a strategy for selective heterogeneous hydrogenations.