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April 29, 2026ACS Nano9 citations

Spatially Segregated Pt/Co Dual Single-Atoms on Janus MXene Synergistically Boost Electrocatalytic Overall Water Splitting

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JZJunhua ZhangLZLuxin ZhangBZBoya Zhao

Key Points

  • This research aims to improve the efficiency of water splitting through a specialized arrangement of single atoms on MXene materials.
  • Conducted in situ/operando spectroscopy to analyze interactions during the reaction.
  • Utilized density functional theory (DFT) calculations to study charge distribution and reaction pathways.
  • Evaluated the electrocatalytic performance over 200 hours to assess stability and efficiency.
  • Achieved significant reduction in reaction energy barrier due to optimized electronic states, promoting faster water splitting.
  • Confirmed enhanced charge redistribution effects led to better intermediate adsorption on the MXene surface.
  • Showed long-term stability of the catalyst for 200 hours of operation.

Abstract

with a 200 h stability. In situ/operando spectroscopy and DFT calculations unveil that Pt/Co DSAs synergistically induce charge redistribution on the MXene surface, thus optimizing the active-site electronic states and intermediate adsorption to lower the reaction energy barrier. Our strategy serves as a pathway for atomically precise control of MXene-supported single-atom sites toward selective electrocatalysis.

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69f1a08eedf4b46824807255https://doi.org/10.1021/acsnano.6c02683
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