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Showing 1–15 of 15 results
Advanced filters: Author: Matteo Cargnello Clear advanced filters

  • There is currently renewed interest in the use of core–shell catalysts for methane combustion. Here, the authors perform anex situ and in situelectron microscopy study to probe the structural evolution of palladium–cerium dioxide catalytic core–shell subunits over a wide temperature range.

    • Shuyi Zhang
    • Chen Chen
    • Xiaoqing Pan
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • A bottom-up process to achieve rapid growth of micrometre-sized three-dimensional nanocrystal superlattices during colloidal synthesis at high temperatures is revealed by in situ small-angle X-ray scattering; the process is applicable to several colloidal materials.

    • Liheng Wu
    • Joshua J. Willis
    • Christopher J. Tassone
    Research
    Nature
    Volume: 548, P: 197-201

  • Traditional modes of catalyst deactivation such as Ostwald ripening and particle migration and coalescence eventually lead to sintering and particle growth. Now, Cargnello and colleagues identify loading-dependent particle decomposition into single atoms as an important deactivation mechanism during methane combustion on colloidal Pd nanocrystals.

    • Emmett D. Goodman
    • Aaron C. Johnston-Peck
    • Matteo Cargnello
    Research
    Nature Catalysis
    Volume: 2, P: 748-755

  • Structure insensitivity in catalysis has been empirically observed, but no satisfactory theoretical explanation could be given. By studying different nanoparticle sizes under dynamic catalytic conditions reaction-dependent particle size dependent restructuring was linked to the aforementioned.

    • Charlotte Vogt
    • Florian Meirer
    • Bert M. Weckhuysen
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Meeting global hydrogen demand with zero-carbon processes also requires finding enough market space for their associated co-products. Helping to access new markets, researchers have now tuned their catalyst to co-produce acetic acid, a crucial commodity chemical, with high selectivity and minimal CO2 emissions.

    • Henry Moise
    • Matteo Cargnello
    News & Views
    Nature Sustainability
    Volume: 8, P: 582-583

  • Hydrogen evolution by water electrolysis is a promising route to 'green energy', but efficiency is still an issue. Here, the authors make mixed organic/inorganic hierarchical nanostructures with high hydrogen evolution activity, identifying synergic effects in the material contributing to enhanced efficiency.

    • Giovanni Valenti
    • Alessandro Boni
    • Francesco Paolucci
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • Electrochemical reduction of N2, mediated by Li, offers promise to decarbonize NH3 production, yet interfacial dynamics in such systems are poorly understood. Now, the morphology of the solid-electrolyte interphase layer formed during N2 reduction is revealed, opening opportunities to elucidate by-product formation mechanisms and improve NH3 selectivity.

    • Eric J. McShane
    • Matteo Cargnello
    News & Views
    Nature Energy
    Volume: 8, P: 115-116

  • Substitutional atomic doping is a process by which atomic defects are introduced into a host material, altering its properties; substitutional doping of cadmium selenide or lead selenide nanocrystal lattices with gold nanocrystals has now been achieved, the key being to ensure that the dopant nanocrystals are similar in size to the host nanocrystals.

    • Matteo Cargnello
    • Aaron C. Johnston-Peck
    • Christopher B. Murray
    Research
    Nature
    Volume: 524, P: 450-453

  • Atomically dispersed Rh on N-doped carbon exhibits promising electrocatalytic properties for formic acid oxidation while Rh nanoparticles are inert towards this reaction. The Rh single atoms exhibit high tolerance to CO poisoning compared to Rh nanoparticles.

    • Dohyung Kim
    • Matteo Cargnello
    News & Views
    Nature Nanotechnology
    Volume: 15, P: 346-347

  • Encapsulation is an effective strategy to tune metal-catalysed reactions, although its potential has not been fully explored. Here, design principles and advanced understanding of the reactivity of different polymer-encapsulated Pd nanocrystals are provided using CO oxidation as a benchmark reaction.

    • Andrew R. Riscoe
    • Cody J. Wrasman
    • Matteo Cargnello
    Research
    Nature Catalysis
    Volume: 2, P: 852-863