ArticleNature communications2024
Grain boundary engineering for efficient and durable electrocatalysis.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Beyond static paradigms: defect dynamic evolution and advanced applications in water electrolysis.Chemical science · 2026Review
- Grain-Size-Dependent Hydrogen Evolution and Oxygen Evolution Reaction Behavior of a Non-Equiatomic FeMaterials (Basel, Switzerland) · 2026Article
- Enhanced electrical conductivity at FeScience advances · 2026Article
- Intraperitoneal Copper-Manganese Nanozyme Suppresses Peritoneal Metastasis with Antitumor Immune Activation.Biomaterials research · 2026Article
- Rational Grain Boundary Segregation Enables Long-Term Thermally Stable, Catalytically Active, and CO-Tolerant Nanograined Metals.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Correlating Grain Boundary Character and Composition in 3-Dimensions Using 4D-Scanning Precession Electron Diffraction and Atom Probe Tomography.Small methods · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Grain boundaries in noble metal catalysts have been identified as critical sites for enhancing catalytic activity in electrochemical reactions such as the oxygen reduction reaction. However, conventional methods to modify grain boundary density often alter particle size, shape, and morphology, obscuring the specific role of grain boundaries in catalytic performance. This study addresses these challenges by employing gold nanoparticle assemblies to control grain boundary density through the manipulation of nanoparticle collision frequency during synthesis. We demonstrate a direct correlation between increased grain boundary density and enhanced two-electron oxygen reduction reaction activity, achieving a significant improvement in both specific and mass activity. Additionally, the gold nanoparticle assemblies with high grain boundary density exhibit remarkable electrochemical stability, attributed to boron segregation at the grain boundaries, which prevents structural degradation. This work provides a promising strategy for optimizing the activity, selectivity, and stability of noble metal catalysts through precise grain boundary engineering.
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Registered trials
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