ArticleNature communications2021
Twin boundary migration in an individual platinum nanocrystal during catalytic CO oxidation.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Coherent X-ray Diffraction Imaging of a Twinned PtRh Catalyst Nanoparticle under Operando Conditions.ACS nano · 2025Article
- In Situ TEM Imaging Reveals the Dynamic Interplay Between Attraction, Repulsion and Sequential Attraction-Repulsion in Gold Nanoparticles.Small (Weinheim an der Bergstrasse, Germany) · 2024Article
- Patching-based deep-learning model for the inpainting of Bragg coherent diffraction patterns affected by detector gaps.Journal of applied crystallography · 2024Article
- A crystal growth kinetics guided Cu aerogel for highly efficient COChemical science · 2023Article
- Correlating Magnetic Hyperthermia and Magnetic Resonance Imaging Contrast Performance of Cubic Iron Oxide Nanoparticles with Crystal Structural Integrity.Chemistry of materials : a publication of the American Chemical Society · 2022Article
- Refinements for Bragg coherent X-ray diffraction imaging: electron backscatter diffraction alignment and strain field computation.Journal of applied crystallography · 2022Article
- Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF.Journal of applied crystallography · 2022Article
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Authors and funding
21 authors.
Funding
Abstract
At the nanoscale, elastic strain and crystal defects largely influence the properties and functionalities of materials. The ability to predict the structural evolution of catalytic nanocrystals during the reaction is of primary importance for catalyst design. However, to date, imaging and characterising the structure of defects inside a nanocrystal in three-dimensions and in situ during reaction has remained a challenge. We report here an unusual twin boundary migration process in a single platinum nanoparticle during CO oxidation using Bragg coherent diffraction imaging as the characterisation tool. Density functional theory calculations show that twin migration can be correlated with the relative change in the interfacial energies of the free surfaces exposed to CO. The x-ray technique also reveals particle reshaping during the reaction. In situ and non-invasive structural characterisation of defects during reaction opens new avenues for understanding defect behaviour in confined crystals and paves the way for strain and defect engineering.
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Registered trials
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