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Updated: Aug 14, 2026
09:41
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
Published on: May 29, 2018
A Versatile Screening Strategy for the Rapid Optimization of High-Entropy Oxide Compositions via Gradient
Hongming Bian1, Zhongteng Jiang1, Furong Gu1
1Key Laboratory of Synthetic and Natural Functional Molecular Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an710069, P. R. China.
ACS Applied Materials & Interfaces
|August 13, 2026
Summary
High-entropy materials show promise for electrocatalysis. A new gradient electrodeposition method rapidly screens optimal compositions for high-entropy oxide (HEO) catalysts, accelerating discovery.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- High-entropy materials offer tunable compositions and synergistic effects for electrocatalysis.
- Compositional complexity hinders rapid identification of optimal elemental ratios using traditional methods.
Purpose of the Study:
- To develop an efficient and scalable platform for high-throughput screening of high-entropy materials.
- To enable direct correlation between elemental composition and electrocatalytic performance.
Main Methods:
- Gradient electrodeposition to create compositionally diverse libraries on a single substrate.
- Thermal annealing to form high-entropy oxide (HEO) catalysts.
- Sample-specific electrochemical measurements for performance evaluation.
Main Results:
- Successfully constructed HEO catalyst libraries with continuously varied local compositions.
- Demonstrated the ability to correlate elemental composition with oxygen reduction reaction (ORR) performance.
- Validated the gradient electrodeposition strategy as an efficient screening platform.
Conclusions:
- The gradient electrodeposition strategy provides an efficient and scalable platform for high-throughput screening.
- This method facilitates the rational optimization of high-entropy material electrocatalysts.
- Accelerates the discovery of advanced catalysts for electrochemical applications.
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