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Showing 1–3 of 3 results
Advanced filters: Author: Shusaku Hayama Clear advanced filters

  • Tuning the electronic properties of nanocatalysts by doping them with uniformly dispersed hetero-metal atoms is an effective way to improve catalytic performance. Here, the authors show that weakening the Cu–O bond energy in CuO nanocatalysts boosts the efficiency of NH₃ oxidation.

    • Lu Chen
    • Xuze Guan
    • Feng Ryan Wang
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • 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

  • Diorganozinc reagents (ZnR2, e.g. R = Et, Ph, C6F5) are widely used as Lewis acid catalysts or Lewis base reagents, however, descriptors for predicting the influence of the R substituent are scarce. Here, by using liquid-phase X-ray spectroscopy, the authors have identified the geometric structures of diorganozincs in weakly coordinating solvents and then established Zn-specific descriptors to quantify the properties of their underlying Lewis acidity/basicity.

    • Lewis G. Parker
    • Frances K. Towers Tompkins
    • Kevin R. J. Lovelock
    ResearchOpen Access
    Communications Chemistry
    Volume: 8, P: 1-13