Search Results - "Miedziak, Peter J"

Selective Oxidation of Glycerol by Highly Active Bimetallic Catalysts at Ambient Temperature under Base-Free Conditions by Brett, Gemma L., He, Qian, Hammond, Ceri, Miedziak, Peter J., Dimitratos, Nikolaos, Sankar, Meenakshisundaram, Herzing, Andrew A., Conte, Marco, Lopez-Sanchez, Jose Antonio, Kiely, Christopher J., Knight, David W., Taylor, Stuart H., Hutchings, Graham J.

“…Au–Pt alloy nanoparticles deposited on Mg(OH)2 (see STEM‐HAADF image) show high activity in the selective oxidation of polyols using molecular oxygen as…”
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The Effects of Dopants on the Cu–ZrO2 Catalyzed Hydrogenation of Levulinic Acid by Hirayama, Jun, Orlowski, Igor, Iqbal, Sarwat, Douthwaite, Mark, Ishikawa, Satoshi, Miedziak, Peter J, Bartley, Jonathan K, Edwards, Jennifer, He, Qian, Jenkins, Robert L, Murayama, Toru, Reece, Christian, Ueda, Wataru, Willock, David J, Hutchings, Graham J

“…Catalytic hydrogenation of levulinic acid to form γ-valerolactone was studied over Cu–ZrO2 catalysts doped with metal oxides from the first-row transition…”
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Base-Free Oxidation of Glycerol Using Titania-Supported Trimetallic Au-Pd-Pt Nanoparticles by Kondrat, Simon A., Miedziak, Peter J., Douthwaite, Mark, Brett, Gemma L., Davies, Thomas E., Morgan, David J., Edwards, Jennifer K., Knight, David W., Kiely, Christopher J., Taylor, Stuart H., Hutchings, Graham J.

“…Base‐free selective oxidation of glycerol has been investigated using trimetallic Au–Pd–Pt nanoparticles supported on titania and their corresponding…”
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Solvent Effect and Reactivity Trend in the Aerobic Oxidation of 1,3-Propanediols over Gold Supported on Titania: NMR Diffusion and Relaxation Studies by D'Agostino, Carmine, Kotionova, Tatyana, Mitchell, Jonathan, Miedziak, Peter J., Knight, David W., Taylor, Stuart H., Hutchings, Graham J., Gladden, Lynn F., Mantle, Mick D.

“…In recent work, it was reported that changes in solvent composition, precisely the addition of water, significantly inhibits the catalytic activity of Au/TiO2…”
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Oxidation of benzyl alcohol using supported gold–palladium nanoparticles by Miedziak, Peter J., He, Qian, Edwards, Jennifer K., Taylor, Stuart H., Knight, David W., Tarbit, Brian, Kiely, Christopher J., Hutchings, Graham J.

“…A key discovery in the last two decades has been the realisation that gold, when prepared as supported nanoparticles, is exceptionally effective as an…”
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The selective oxidation of 1,2-propanediol to lactic acid using mild conditions and gold-based nanoparticulate catalysts by Ryabenkova, Yulia, He, Qian, Miedziak, Peter J., Dummer, Nicholas F., Taylor, Stuart H., Carley, Albert F., Morgan, David J., Dimitratos, Nikolaos, Willock, David J., Bethell, Donald, Knight, David W., Chadwick, David, Kiely, Christopher J., Hutchings, Graham J.

“…[Display omitted] ► 1,2-Propanediol was oxidised to lactic acid with enhanced selectivity. ► AuPt/C catalysts are active at mild conditions. ► Amount of base…”
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Selective Oxidation of n-Butanol Using Gold-Palladium Supported Nanoparticles Under Base-Free Conditions by Gandarias, Inaki, Miedziak, Peter J., Nowicka, Ewa, Douthwaite, Mark, Morgan, David J., Hutchings, Graham J., Taylor, Stuart H.

“…The base‐free selective catalytic oxidation of n‐butanol by O2 in an aqueous phase has been studied using Au‐Pd bimetallic nanoparticles supported on titania…”
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Au–Pd separation enhances bimetallic catalysis of alcohol oxidation by Huang, Xiaoyang, Akdim, Ouardia, Douthwaite, Mark, Wang, Kai, Zhao, Liang, Lewis, Richard J., Pattisson, Samuel, Daniel, Isaac T., Miedziak, Peter J., Shaw, Greg, Morgan, David J., Althahban, Sultan M., Davies, Thomas E., He, Qian, Wang, Fei, Fu, Jile, Bethell, Donald, McIntosh, Steven, Kiely, Christopher J., Hutchings, Graham J.

“…In oxidation reactions catalysed by supported metal nanoparticles with oxygen as the terminal oxidant, the rate of the oxygen reduction can be a limiting…”
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Gold-Palladium Core-Shell Nanocrystals with Size and Shape Control Optimized for Catalytic Performance by Henning, Anna M., Watt, John, Miedziak, Peter J., Cheong, Soshan, Santonastaso, Marco, Song, Minghui, Takeda, Yoshihiko, Kirkland, Angus I., Taylor, Stuart H., Tilley, Richard D.

“…Right to the core: The design of nanocatalysts with maximized catalytic performance relies on control of the size, shape, and composition. The shell thickness…”
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The Role of Mg(OH)2 in the So‐Called “Base‐Free” Oxidation of Glycerol with AuPd Catalysts by Fu, Jile, He, Qian, Miedziak, Peter J., Brett, Gemma L., Huang, Xiaoyang, Pattisson, Samuel, Douthwaite, Mark, Hutchings, Graham J.

“…Mg(OH)2‐ and Mg(OH)2‐containing materials can provide excellent performance as supports for AuPd nanoparticles for the oxidation of glycerol in the absence of…”
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Transfer hydrogenation of methyl levulinate with methanol to gamma valerolactone over Cu-ZrO2: A sustainable approach to liquid fuels by Douthwaite, Mark, Zhang, Bin, Iqbal, Sarwat, Miedziak, Peter J., Bartley, Jonathan K., Willock, David J., Hutchings, Graham J.

“…Cu-ZrO2 is demonstrated to be a highly effective catalyst for the transfer hydrogenation of methyl levulinate to γ-valerolactone, using methanol as the…”
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Solvent-free aerobic epoxidation of 1-decene using supported cobalt catalysts by Engel, Rebecca V., Alsaiari, Raiedhah, Nowicka, Ewa, Miedziak, Peter J., Kondrat, Simon A., Morgan, David J., Edwards, Jennifer K., Hutchings, Graham J.

“…[Display omitted] •Supported cobalt catalysts for the aerobic epoxidation of 1-decene are reported.•Leaching could be minimised by change of the support…”
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Surface functionalized TiO2 supported Pd catalysts for solvent-free selective oxidation of benzyl alcohol by Weerachawanasak, Patcharaporn, Hutchings, Graham. J., Edwards, Jennifer K., Kondrat, Simon A., Miedziak, Peter J., Prasertham, Piyasan, Panpranot, Joongjai

“…•APTES-grafted TiO2 was used as Pd catalyst support in benzyl alcohol oxidation.•Monolayer attachment promoted small and uniform Pd nanoclusters.•Excess…”
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The Over-Riding Role of Autocatalysis in Allylic Oxidation by Miedziak, Peter J., Pattisson, Samuel, Edwards, Jennifer K., Tarbit, Brian, Taylor, Stuart H., Hutchings, Graham J.

“…In this paper we aim to highlight the need to consider the possible role of autocatalysis in oxidation reactions when using molecular oxygen as the terminal…”
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Selective Hydrogenation of Levulinic Acid Using Ru/C Catalysts Prepared by Sol-Immobilisation by Jones, Daniel R., Iqbal, Sarwat, Miedziak, Peter J., Morgan, David J., Edwards, Jennifer K., He, Qian, Hutchings, Graham J.

“…A 1% Ru/C catalyst prepared by the sol immobilization method showed a high yield of γ-valerolactone from levulinic acid. We performed an optimization of the…”
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Cinnamyl Alcohol Oxidation Using Supported Bimetallic Au–Pd Nanoparticles: An Optimization of Metal Ratio and Investigation of the Deactivation Mechanism Under Autoxidation Conditions by Rucinska, Emilia, Pattisson, Samuel, Miedziak, Peter J., Brett, Gemma L., Morgan, David J., Sankar, Meenakshisundaram, Hutchings, Graham J.

“…The aerobic oxidation of cinnamyl alcohol in toluene under autoxidation conditions has been studied using a range of 1 wt% Au–Pd/TiO 2 catalysts. The catalysts…”
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Three step synthesis of benzylacetone and 4-(4-methoxyphenyl)butan-2-one in flow using micropacked bed reactors by Waldron, Conor, Cao, Enhong, Cattaneo, Stefano, Brett, Gemma L., Miedziak, Peter J., Wu, Gaowei, Sankar, Meenakshisundaram, Hutchings, Graham J., Gavriilidis, Asterios

“…[Display omitted] •Three catalytic reactors and a separator were combined in a telescoped flow system.•Telescoped flow synthesis allowed different operating…”
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Understanding the Solvent Effect on the Catalytic Oxidation of 1,4-Butanediol in Methanol over Au/TiO2 Catalyst: NMR Diffusion and Relaxation Studies by D'Agostino, Carmine, Brett, Gemma L., Miedziak, Peter J., Knight, David W., Hutchings, Graham J., Gladden, Lynn F., Mantle, Mick D.

“…The effect of water on the catalytic oxidation of 1,4‐butanediol in methanol over Au/TiO2 has been investigated by catalytic reaction studies and NMR diffusion…”
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Deactivation Behavior of Supported Gold Palladium Nanoalloy Catalysts during the Selective Oxidation of Benzyl Alcohol in a Micropacked Bed Reactor by Al-Rifai, Noor, Miedziak, Peter J, Morad, Moataz, Sankar, Meenakshisundaram, Waldron, Conor, Cattaneo, Stefano, Cao, Enhong, Pattisson, Samuel, Morgan, David, Bethell, Donald, Hutchings, Graham J, Gavriilidis, Asterios

“…Highly active, supported Au–Pd catalysts have been tested for catalyzing benzyl alcohol oxidation in a silicon-glass micropacked bed reactor. The effects of…”
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A micropacked-bed multi-reactor system with in situ raman analysis for catalyst evaluation by Cao, Enhong, Brett, Gemma, Miedziak, Peter J., Douthwaite, John M., Barrass, Simon, McMillan, Paul F., Hutchings, Graham J., Gavriilidis, Asterios

“…[Display omitted] •Portable Raman spectrometer was utilised for evaluation of catalyst activity.•A single chip with four parallel micropacked-bed reactors was…”
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