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May 28, 2026Journal of Materials Chemistry A3 citationsOpen Access

Size-Controlled Hydrothermal Synthesis of Crystalline High-entropy Spinel Oxide Nanoparticles for Oxygen Evolution Electrocatalysts

RKRyoga KatoKIKazuyuki IwaseHOHiroto Okuyama

Key Points

  • This research aims to develop a method for synthesizing crystalline high-entropy spinel oxide nanoparticles for better oxygen evolution reaction catalysis.
  • Utilized hydrothermal synthesis to control the size of nanoparticles.
  • Investigated the structural and catalytic properties of synthesized high-entropy oxides.
  • Analyzed the performance of the nanoparticles in catalyzing oxygen evolution reactions.
  • Displayed enhanced catalytic performance of the synthesized nanoparticles compared to conventional methods.
  • Achieved a significant reduction in particle size with improved stability under operational conditions.

Abstract

High-entropy oxides offer a promising platform for oxygen evolution reaction catalysis owing to their entropy-stabilized structures and flexible design of cation metal elements. However, conventional high-temperature synthesis leads to extensive...

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Cite This Study

Kato et al. (2026) studied this question.

synapsesocial.com/papers/6a17dc653fad632b0f9d91eehttps://doi.org/10.1039/d6ta00970k
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