Search Results - "Scurrell, M. S."

Polymer stabilized silver nanoparticles: A photochemical synthesis route by MALLICK, K, WITCOMB, M. J, SCURRELL, M. S

“…This study describes a novel and convenient way for the preparation of polymer stabilized colloidal silver by an ultra-violet irradiation technique…”
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The effects of ring substituents in aniline on the reactivity of PANI with hydrogen tetrachloroaurate and the dispersion of gold nanoparticles by Kabomo, T. M., Scurrell, M. S.

“…As expected from theoretical predictions, the polymerization of aniline was affected by the substituent group on the benzene ring. The rate of the…”
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Reductive routes to stabilized nanogold and relation to catalysis by supported gold by Boyd, D., Golunski, S., Hearne, G.R., Magadzu, T., Mallick, K., Raphulu, M.C., Venugopal, A., Scurrell, M.S.

“…Evidence is presented and discussed for the involvement of ionic gold, probably Au(1+) in catalysis by supported gold. Various catalytic systems and various…”
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CO oxidation over titanate nanotube supported Au: Deactivation due to bicarbonate by Ntho, T.A., Anderson, J.A., Scurrell, M.S.

“…New experimental findings, which offer further information concerning the deactivation mechanism of CO oxidation over titania nanotube (TN) supported gold, are…”
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Formation of palladium nanoparticles in poly (o-methoxyaniline) macromolecule fibers : An in-situ chemical synthesis method by MALLICK, K, WITCOMB, M. J, SCURRELL, M. S

“…We report here a novel in-situ synthetic method for the preparation of poly (o-methoxyaniline) and palladium nanoparticle composite material…”
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CO Oxidation over Anatase TiO₂ Supported Au: Effect of Nitrogen Doping by Sakthivel, R, Ntho, T, Witcomb, M, Scurrell, M. S

“…Nitrogen doped yellowish anatase phase of titania support (TiO₂-x N x ) was prepared by hydrolysis of titanium (IV) butoxide with 15% NH₄OH followed by…”
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Alkyl transfer reactions on solid acids. The disproportionation of ethylbenzene and toluene on H-mordenite and HY zeolites by Mokoena, K., Scurrell, M. S.

“…The disproportionation of ethylbenzene and toluene have been compared on two zeolites, H-mordenite and HY. The online examination of products as a function of…”
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Preparation of highly dispersed Pd-nanoparticles in poly- (o-aminophenol) needles: An ‘intimate composite material’ by Mallick, K, Witcomb, M. J, Dinsmore, A, Scurrell, M. S

“…Poly- (o-aminophenol)-Pd nanoparticle composite can be prepared by a single step, one pot chemical synthetic route at room temperature. ∼2nm sized…”
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Redox catalytic property of gold nanoclusters: evidence of an electron-relay effect by MALLICK, K, WITCOMB, M. J, SCURRELL, M. S

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Low-Temperature Water–Gas Shift Reaction over Au Supported on Anatase in the Presence of Copper: EXAFS/XANES Analysis of Gold–Copper Ion Mixtures on TiO2 by Magadzu, T, Yang, J. H, Henao, J. D, Kung, M. C, Kung, H. H, Scurrell, M. S

“…Cu-modified Au/TiO2 (anatase, 200 m2/g) has been prepared by the incipient-wetness technique with introduction of the modifier either before or after Au…”
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Catalysts and conditions for the highly efficient, selective and stable heterogeneous oligomerisation of ethylene by Heveling, J., Nicolaides, C.P., Scurrell, M.S.

“…The oligomerisation of ethylene into products in the C 4–C 20 range over heterogeneous nickel catalysts in a fixed-bed reactor at low temperature and high…”
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NAS (novel aluminosilicates) as catalysts for the aromatisation of propane: Studies of zinc and gallium modified zeolite-based systems having various extents of XRD crystallinity by Nicolaides, C.P., Sincadu, N.P., Scurrell, M.S.

“…A review of existing literature on the behaviour of H-, Zn- and Ga-ZSM-5 systems in the aromatisation of propane suggest that no clear picture emerges…”
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Polymer-stabilized colloidal gold: a convenient method for the synthesis of nanoparticles by a UV-irradiation approach by MALLICK, K, WITCOMB, M. J, SCURRELL, M. S

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DRIFTS studies of the interaction of nitric oxide and carbon monoxide on Au-TiO2 by DEBEILA, M. A, COVILLE, N. J, SCURRELL, M. S, HEARNE, G. R

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Direct observation of thermally activated NO adsorbate species on Au-TiO2: DRIFTS studies by DEBEILA, M. A, COVILLE, N. J, SCURRELL, M. S, HEARNE, G. R

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Low temperature CO oxidation over gold supported mesoporous Fe-TiO2 by PARIDA, K. M, SAHU, Nruparaj, MOHAPATRA, P, SCURRELL, M. S

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Nickel silica-alumina catalysts for ethene oligomerization—control of the selectivity to 1-alkene products by Nicolaides, C.P., Scurrell, M.S., Semano, P.M.

“…A rational approach to control the behavior of nickel(II) ion-exchanged silica-alumina oligomerization catalysts has been attempted. Emphasis has been placed…”
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The effect of protonation and oxidation state of polyaniline on the stability of gold nanoparticles by Kabomo, T.M., Scurrell, M.S.

“…[Display omitted] •Mechanism of Au nanoparticles stabilized by PANI revealed.•Effect of added reagents on PANI restructuring determined.•Aggregation of Au…”
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Synthesis of gold-polyaniline nanocomposites by complexation by Kabomo, T.M., Scurrell, M.S.

“…Complexation synthesis methods have been examined in the preparation of nanogold–polyaniline systems. This extends work previously reported on the use of a…”
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Effects of incorporation of ions into Au/TiO2 catalysts for carbon monoxide oxidation by Moma, J. A., Scurrell, M. S., Jordaan, W. A.

“…A number of anions and cations have been incorporated into TiO2 as support for gold catalysts and also into as-prepared Au/TiO2 catalysts at levels of 0.4 mol%…”
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