ArticleScience advances2024
A catalyst family of high-entropy alloy atomic layers with square atomic arrangements comprising iron- and platinum-group metals.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Processing, Microstructural Evolution and Engineering Performance of High-Entropy Alloys: A Review.Materials (Basel, Switzerland) · 2026Review
- Disentangling Elemental Roles in an Amorphous Medium-Entropy Electrocatalyst for Oxygen Evolution.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- High-Entropy Alloy Nanocrystals: From Synthesis to Characterization and Catalytic Application.Chemical reviews · 2026Review
- Simultaneously Engineering the Amorphous Phase and Branch Morphology of High-Entropy Alloy Nanomaterials for Enhanced Ethylene Glycol Oxidation.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Synthesis of High-Entropy Alloy Nanomaterials for Electrocatalytic Multi-Electron Transfer Reactions.ACS nano · 2026Review
- Decoding active sites in high-entropy catalysts via attention-enhanced model.Science advances · 2026Article
- Compositional Phase Control in High-Entropy Alloy Electrocatalysts.Journal of the American Chemical Society · 2026Article
- Probing the Dynamics Process of High-Entropy Alloy Catalysts: Fundamentals, Synthesis, and In Situ TEM Insights.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- High-Entropy Materials for Water Splitting: An Atomic Nanoengineering Approach to Sustainable Hydrogen Production.Advanced materials (Deerfield Beach, Fla.) · 2025Review
- A Nanostructured Ru-Mn-Nb Alloy with Oxygen-Enriched Boundaries for Ampere-Level Hydrogen Evolution.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Unraveling Element-Selective Local Structures in Multielement Alloy Nanoparticles with EXAFS.ACS nanoscience Au · 2025Article
- Spectroscopic and Theoretical Insights Into High-Entropy-Alloy Surfaces and Their Interfaces with Semiconductors for Enhanced Photocatalytic Hydrogen Production.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- Oriented catalysis through chaos: high-entropy spinels in heterogeneous reactions.Chemical science · 2025Review
- Electrochemical Dissolution: Paths in High-Entropy Alloy Composition Space.High entropy alloys & materials · 2025Article
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Authors and funding
19 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report a catalyst family of high-entropy alloy (HEA) atomic layers having three elements from iron-group metals (IGMs) and two elements from platinum-group metals (PGMs). Ten distinct quinary compositions of IGM-PGM-HEA with precisely controlled square atomic arrangements are used to explore their impact on hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR). The PtRuFeCoNi atomic layers perform enhanced catalytic activity and durability toward HER and HOR when benchmarked against the other IGM-PGM-HEA and commercial Pt/C catalysts. Operando synchrotron x-ray absorption spectroscopy and density functional theory simulations confirm the cocktail effect arising from the multielement composition. This effect optimizes hydrogen-adsorption free energy and contributes to the remarkable catalytic activity observed in PtRuFeCoNi. In situ electron microscopy captures the phase transformation of metastable PtRuFeCoNi during the annealing process. They transform from random atomic mixing (25°C), to ordered L1
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