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Showing 1–5 of 5 results
Advanced filters: Author: Milivoj Plodinec Clear advanced filters

  • Heterogeneous catalysts are often dynamic under operation. Now, the mechanism of CH4 dry reforming on Ni is studied by in situ microscopy and spectroscopy, revealing the formation of metastable surface nickel–oxygen structures from CO2 dissociation that exhibit different catalytic properties and induce rate oscillations.

    • Luis Sandoval-Diaz
    • Daniel Cruz
    • Thomas Lunkenbein
    ResearchOpen Access
    Nature Catalysis
    Volume: 7, P: 161-171

  • The direct electrosynthesis of acetic acid from CO2 typically has the drawback of CO2 crossover. Now, a cascade approach for the electroreduction of CO2 to CO, followed by CO to acetic acid, is reported in which off-target intermediates are destabilized, leading to an acetic acid Faradaic efficiency of 70%.

    • Roham Dorakhan
    • Ivan Grigioni
    • Edward H. Sargent
    Research
    Nature Synthesis
    Volume: 2, P: 448-457

  • A combination of spectroscopy, microscopy and theoretical calculations shows that the reactivity of titanium silicalite-1 as an epoxidation catalyst is due to the presence of dinuclear titanium sites.

    • Christopher P. Gordon
    • Hauke Engler
    • Christophe Copéret
    Research
    Nature
    Volume: 586, P: 708-713

  • Catalytic selectivity during carbon dioxide electroreduction can be tuned by using geometric copper-based catalysts. Here, the authors use liquid cell transmission electron microscopy to study the in situ synthesis and morphological evolution Cu2O cubes under carbon dioxide electroreduction conditions.

    • Rosa M. Arán-Ais
    • Rubén Rizo
    • Beatriz Roldan Cuenya
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • How a catalyst behaves microscopically under reaction conditions, and what kinds of active sites transiently exist on its surface, is still very much a mystery to the scientific community. Here the authors report on in situ observation of a redox active copper catalyst by a combination of in situ imaging and spectroscopy tools.

    • Jing Cao
    • Ali Rinaldi
    • Marc Willinger
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-11