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Showing 1–10 of 10 results
Advanced filters: Author: Miguel Lopez-Haro Clear advanced filters

  • A fundamental understanding of the active sites in working catalysts can guide the rational design of new catalysts with improved performances. Here, regioselective oxidative coupling of toluene to 4,4’-bitolyl is achieved with zeolite-encapsulated Pd catalysts under acid-free conditions, and the active sites are identified to be the subnanometer Pd clusters confined in the channels of Beta zeolite.

    • Yunchao Feng
    • Hongtao Wang
    • Lichen Liu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • Olefin hydroformylation is traditionally performed with homogeneous catalysts. Here the authors introduce a heterogeneous system based on zeolite-confined Rh clusters that is characterized by high efficiency for the hydroformylation of C6–C12 terminal olefins into linear aldehydes with high selectivity.

    • Xiaomeng Dou
    • Tao Yan
    • Lichen Liu
    Research
    Nature Catalysis
    Volume: 7, P: 666-677

  • The standard Mizoroki–Heck reaction of aryl halides usually makes electron-poor alkenes react exclusively on the β-carbon. Now, α-selective intramolecular and intermolecular versions of this reaction with electron-deficient alkenes are reported, giving access to otherwise difficult-to-synthesize products.

    • Francisco Garnes-Portolés
    • Rossella Greco
    • Antonio Leyva-Pérez
    Research
    Nature Catalysis
    Volume: 4, P: 293-303

  • Zeolite-encapsulated metal nanoparticles have important catalytic properties, but their effect on the zeolite local structure has been difficult to characterize. Here the authors, using DFT calculations and scanning transmission electron microscopy, characterize the local strain due to confinement effects in metal-zeolite catalysts.

    • Lichen Liu
    • Miguel Lopez-Haro
    • Avelino Corma
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Tuning the structures of subnanometric metal clusters is challenging but can unlock unexpected catalytic properties. Here, the authors show that changing the composition of MFI zeolite-encapsulated PtSn subnanometric clusters by adding just a few tin atoms can lead to a remarkable stability enhancement in propane dehydrogenation.

    • Lichen Liu
    • Miguel Lopez-Haro
    • Avelino Corma
    Research
    Nature Catalysis
    Volume: 3, P: 628-638

  • Activating CO2 to form methane is a potential strategy for energy decarbonization, but to activate CO2 typically requires high temperatures. Here a ruthenium oxycarbonate is presented that forms by carbon interstitial doping of RuO2, and this catalyst enables CO2 activation at 50 °C.

    • Carmen Tébar-Soler
    • Vlad Martin-Diaconescu
    • Avelino Corma
    Research
    Nature Materials
    Volume: 22, P: 762-768

  • Metal active sites are important in catalysts to function in various applications. Here, the detailed structural nature of single-atom metal sites is directly quantified using a combination of high-resolution microscopy, deep learning, and theoretical calculation methods.

    • Paula Aniceto-Ocaña
    • José Marqueses-Rodriguez
    • Miguel Lopez-Haro
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-11