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Showing 1–4 of 4 results
Advanced filters: Author: Matthijs A. van Spronsen Clear advanced filters

  • During the Fischer-Tropsch catalytic reaction, alkanes are synthesized from carbon monoxide and hydrogen at high pressure and temperature. Now it is shown using scanning tunnelling imaging of a cobalt surface during reaction that linear alkane product molecules of a specific length self-assemble on terraces, facilitating the desorption of new product molecules created at step sites.

    • Violeta Navarro
    • Matthijs A. van Spronsen
    • Joost W. M. Frenken
    Research
    Nature Chemistry
    Volume: 8, P: 929-934

  • Species migration across interfacial boundaries can affect the function of bimetallic catalysts. Here the authors report that palladium oxide drives the reduction of silver oxide by facilitating molecular hydrogen dissociation and migration of hydrogen atoms across the Pd–Ag interface with concurrent surface restructuring.

    • Christopher R. O’Connor
    • Matthijs A. van Spronsen
    • Cynthia M. Friend
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

  • Selective catalytic oxidation (SCO) of NH3 to N2 is a highly effective approach for reducing NH3 emissions, though achieving high conversion across a broad temperature range without over-oxidation to NOx remains challenging. Here, the authors introduce a bi-metallic surficial Pt-Cu catalyst that effectively removes NH3 from both stationary and mobile exhaust sources via SCO.

    • Lu Chen
    • Xuze Guan
    • Feng Ryan Wang
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Improving platinum as an oxidation catalyst requires understanding its structure under catalytic conditions. Here, the authors discover that catalytically important surface oxides form only when Pt is exposed to high pressure and temperature, highlighting the need to study catalysts in realistic environments.

    • Matthijs A. van Spronsen
    • Joost W. M. Frenken
    • Irene M. N. Groot
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7