Search Results - "Johnson, Brian F. G."
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Crystal Structure and Growth Mechanism of Unusually Long Fullerene (C60) Nanowires
Published in Journal of the American Chemical Society (27-02-2008)“…Exceptionally long C60 nanowires, with a length to width aspect ratio as large as 3000, are grown from a 1,2,4-trimethylbenzene solution of C60. They have been…”
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2
High-Performance Nanocatalysts for Single-Step Hydrogenations
Published in Accounts of chemical research (01-01-2003)“…Bimetallic nanoparticles (Ru6Pd6, Ru6Sn, Ru10Pt2, Ru5Pt, Ru12Cu4, and Ru12Ag4) anchored within silica nanopores exhibit high activities and frequently high…”
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3
Selective oxidation with dioxygen by gold nanoparticle catalysts derived from 55-atom clusters
Published in Nature (London) (21-08-2008)“…Supported gold nanoparticles have excited much interest owing to their unusual and somewhat unexpected catalytic properties, but the origin of the catalytic…”
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4
Nanoparticulate copper--routes towards oxidative stability
Published in Dalton transactions : an international journal of inorganic chemistry (28-07-2010)“…A modified polyol-based reduction method in ethylene glycol that incorporates poly(N-vinylpyrrolidone) (PVP, M(av) = 10,000; 40,000; 55,000) as polymeric…”
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5
Ordering of Ruthenium Cluster Carbonyls in Mesoporous Silica
Published in Science (American Association for the Advancement of Science) (01-05-1998)“…The anionic ruthenium cluster carbonylates [Ru$_6$C(CO)$_{16}$]$^{2-}$ or [H$_2$Ru$_{10}$(CO)$_{25}$]$^{2-}$ interspersed with bis(triphenylphosphino)iminium…”
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Constraining Asymmetric Organometallic Catalysts within Mesoporous Supports Boosts Their Enantioselectivity
Published in Journal of the American Chemical Society (10-12-2003)“…By constraining tethered asymmetric organometallic catalysts within the nanopores of silica supports so as to increase the interaction between the pore wall…”
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Enhancing the Enantioselectivity of Novel Homogeneous Organometallic Hydrogenation Catalysts
Published in Angewandte Chemie (International ed.) (22-09-2003)“…By designing well‐defined, single‐site asymmetric organometallic complexes anchored to a concave siliceous support (see picture) high ee values may be obtained…”
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Highly efficient catalysts for the hydrogenation of nitro-substituted aromatics
Published in Chemical communications (Cambridge, England) (21-04-2005)“…Nanoparticles of Co and NiPd, derived from colloidal precursors and supported on commercially available non-ordered mesoporous silica, are highly effective,…”
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Direct conversion of iron stearate into magnetic Fe and Fe3C nanocrystals encapsulated in polyhedral graphite cages
Published in Chemical communications (Cambridge, England) (07-11-2004)“…We report a direct salt-conversion approach for large-scale synthesis of carbon-encapsulated magnetic Fe and Fe3C nanoparticles…”
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Uncovering a Solvent-Controlled Preferential Growth of Buckminsterfullerene (C60) Nanowires
Published in Journal of physical chemistry. C (23-04-2009)“…The fullerene (C60) nanowires, which possess a highly unusual morphology featured by a prismlike central core and three nanobelt-like wings joined along the…”
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Ethanol steam reforming over supported ruthenium and ruthenium–platinum catalysts: Comparison of organometallic clusters and inorganic salts as catalyst precursors
Published in International journal of hydrogen energy (01-07-2009)“…Alumina-supported Ru and Ru–Pt catalysts, derived from either organometallic clusters ([HRu 3(CO) 11] −, Ru 3(CO) 12 and [Ru 5PtC(CO) 15] 2−) or inorganic…”
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12
Site-Directed Surface Derivatization of MCM-41: Use of High-Resolution Transmission Electron Microscopy and Molecular Recognition for Determining the Position of Functionality within Mesoporous Materials
Published in Angewandte Chemie International Edition (16-10-1998)“…The “staining” cluster–crown compound [Ru6C(CO)14(η6‐C6H4C10H20O6)] verifies that the internal walls of mesoporous silica MCM‐41 may be selectively…”
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13
High-Resolution Scanning Transmission Electron Tomography and Elemental Analysis of Zeptogram Quantities of Heterogeneous Catalyst
Published in The journal of physical chemistry. B (15-04-2004)“…The ability to visualize the three-dimensional structure of an object is of central importance in many branches of science and engineering. Recording an…”
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14
On the fluxional behaviour of the cluster [Ir4(CO)11PEt3]
Published in Inorganica Chimica Acta (01-10-2021)“…[Display omitted] •The LPM offers a mechanism for the fluxionality of CO clusters.•[Ir4(CO)11PEt3] in the solid exists in two isomeric forms.•The fluxional…”
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15
Production of Carbon Nanofibers in High Yields Using a Sodium Chloride Support
Published in The journal of physical chemistry. B (08-09-2005)“…A new route for the highly convenient scalable production of carbon nanofibers on a sodium chloride support has been developed. Since the support is nontoxic…”
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The Identity in Atomic Structure and Performance of Active Sites in Heterogeneous and Homogeneous, Titanium−Silica Epoxidation Catalysts
Published in The journal of physical chemistry. B (21-10-1999)“…The nature of the Ti(IV) active site in heterogeneous titano−silica epoxidation catalysts is shown to be same as that of a Ti(IV)-centered site bound to…”
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Single-Step Conversion of Dimethyl Terephthalate into Cyclohexanedimethanol with Ru5PtSn, a Trimetallic Nanoparticle Catalyst
Published in Angewandte Chemie International Edition (17-07-2006)“…Highly active and selective: A supported Ru5PtSn nanoparticle cluster (the picture shows an axial projection of a tomogram), prepared from the carbonyl cluster…”
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18
Hydrogen or synthesis gas production via the partial oxidation of methane over supported nickel–cobalt catalysts
Published in International journal of hydrogen energy (01-05-2007)“…Activity, selectivity, and coking-resistance of a series of Ni x Co y (where x , y are the respective metal loadings of 0, 1, 2 or 3 wt.%; x + y = 3 )…”
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Capillary microreactors wall-coated with mesoporous titania thin film catalyst supports
Published in Lab on a chip (01-01-2009)“…A new method for catalyst deposition on the inner walls of capillary microreactors is proposed which allows exact control of the coating thickness, pore size…”
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Analysis of Low Oxidation State Transition Metal Clusters by Laser Desorption/Ionization Time-of-Flight Mass Spectrometry
Published in Inorganic chemistry (09-08-2004)“…A variety of homonuclear and heteronuclear transition metal carbonyl clusters have been analyzed by ultraviolet laser desorption/ionization time-of-flight mass…”
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