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Showing 1–7 of 7 results
Advanced filters: Author: Vedran Vonk Clear advanced filters

  • The equilibrium shape and surface termination of nanoparticles (NPs) determine the interfacial binding mechanisms at play during the synthesis of NP-based materials. Here, the authors combine experiments and ab initio thermodynamics and demonstrate that (111)-oriented magnetite NPs supported by Al2O3(0001) single-crystalline surfaces are bulk-truncated by Fe-terminated {111} and mixed-terminated {100} facets.

    • Mohammad Ebrahim Haji Naghi Tehrani
    • Daniel Silvan Dolling
    • Andreas Stierle
    ResearchOpen Access
    Communications Chemistry
    Volume: 9, P: 1-11

  • Two Co single crystal surfaces remain metallic up to 1 bar during Fischer-Tropsch synthesis. The observed intermediates support the carbide mechanism as the reaction pathway. By adding and removing CO we can follow the dynamics of the (dis)appearance of intermediates.

    • Patrick Lömker
    • David Degerman
    • Anders Nilsson
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Exsolution, nanoparticle precipitation from oxide materials during reduction, offers a promising approach to heterogeneous catalysis. Here, authors examine the switching behavior between high and low activity and correlate the electro-catalytic activity to exsolved phases from complex oxides.

    • Alexander K. Opitz
    • Andreas Nenning
    • Jürgen Fleig
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10

  • Under-coordinated corner and edge sites often dictate oxide properties, however, information about their atomic-scale structure and chemical nature is often missing. Here, a combined experimental and theoretical study of the ZnO(10-14) surface reveals stable, long-range ordered, non-polar facets of ZnO, with a high step-density and uniform termination.

    • Elin Grånäs
    • Michael Busch
    • Andreas Stierle
    ResearchOpen Access
    Communications Chemistry
    Volume: 4, P: 1-8

  • The details of interaction of organic acids with metal oxide surfaces are of wide interest in heterogeneous catalysis. Here the authors use combination of theory and experiments to study the adsorption of formic acid on magnetite surface revealing the details on the atomic scale adsorption mechanism.

    • Björn Arndt
    • Kai Sellschopp
    • Andreas Stierle
    ResearchOpen Access
    Communications Chemistry
    Volume: 2, P: 1-8