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Showing 1–5 of 5 results
Advanced filters: Author: Adnan Hammud Clear advanced filters

  • Industrial ammonia synthesis relies on complex, multi-promoted Fe catalysts that lack clear structure–activity correlations. This study reveals that promoter synergy creates stable, nanodispersed Fe catalysts with superior activity and resistance to poisoning.

    • Luis Sandoval-Díaz
    • Raoul Blume
    • Thomas Lunkenbein
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-13

  • The selective hydrogenation of trace acetylene to ethylene is a well-established process for purifying fossil-derived ethylene streams. Here, the authors present a self-repairing Pd-C laterally condensed catalyst that improves selectivity, prevents sub-surface hydride formation, and achieves high ethylene productivity, effectively bridging the gap between powder catalysts and single-crystal model catalysts.

    • Zehua Li
    • Eylül Öztuna
    • Robert Schlögl
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • 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

  • 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