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Showing 1–7 of 7 results
Advanced filters: Author: Maria Flytzani-Stephanopoulos Clear advanced filters

  • Reducing the platinum content of industrial catalysts is an important research target. Here, the authors present a nanocatalyst containing less than 1% platinum, where the isolated platinum atoms contribute to both the catalyst activity and selectivity for butadiene hydrogenation.

    • Felicia R. Lucci
    • Jilei Liu
    • E. Charles H. Sykes
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Generating stable single-atom catalysts is far from straightforward and can involve complicated preparation procedures. Now, mononuclear gold oxo-clusters formed in alkaline solutions through a facile one-pot synthesis are shown to catalyse the heterogeneous methanol self-coupling reaction to methyl formate and hydrogen. The intrinsic activity is the same for both supported and unsupported gold catalysts.

    • Sufeng Cao
    • Ming Yang
    • Maria Flytzani-Stephanopoulos
    Research
    Nature Chemistry
    Volume: 11, P: 1098-1105

  • A renewed interest in C–H bond activation has developed on account of the recent increased availability of shale gas. Now, using a combination of surface science, microscopy, theory and nanoparticle studies, the ability of coke-resistant Pt/Cu single-atom alloys to efficiently activate C–H bonds in alkanes has been demonstrated under realistic catalytic conditions.

    • Matthew D. Marcinkowski
    • Matthew T. Darby
    • E. Charles H. Sykes
    Research
    Nature Chemistry
    Volume: 10, P: 325-332

  • A stable, low-temperature water–gas shift catalyst is achieved by crowding platinum atoms and clusters on α-molybdenum carbide; the crowding protects the support from oxidation that would cause catalyst deactivation.

    • Xiao Zhang
    • Mengtao Zhang
    • Ding Ma
    Research
    Nature
    Volume: 589, P: 396-401

  • Single-atom alloys are promising catalysts for a number of different reactions. Here, the authors demonstrate that carbon monoxide can be used to transition a PdAu catalyst between a single atom and a cluster phase which exhibit distinct selectivities for ethanol dehydrogenation.

    • Mengyao Ouyang
    • Konstantinos G. Papanikolaou
    • E. Charles H. Sykes
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • Single-atom metal catalysts offer maximized material efficiency, but there is large room to improve the intrinsic activity per metal atom for many reactions. Here, the authors demonstrate that the solution for CO oxidation is to tackle the issue of lacking neighboring Pt atoms in the single-atom Pt1/CeO2 system.

    • Hui Wang
    • Jin-Xun Liu
    • Ming Yang
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-12