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Related Experiment Video

Updated: May 16, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Single atom platinum catalyst construction based on graphene defects.

Xiaopeng Song1,2, Jie Liu1, Junjie Chen1

  • 1Shanghai Key Laboratory of Atomic Control and Application of Inorganic 2D Supermaterials, Shanghai Applied Radiation Institute, Shanghai University, Shanghai 200444, China. liuxing0215@shu.edu.cn.

Physical Chemistry Chemical Physics : PCCP
|May 14, 2026
PubMed
Summary

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Platinum single atoms on graphene defects show improved stability and catalytic activity for water splitting. This discovery offers a new approach for developing robust and efficient single-atom catalysts.

Area of Science:

  • Materials Science
  • Catalysis
  • Computational Chemistry

Background:

  • Single-atom catalysts (SACs) are crucial for various chemical reactions.
  • Graphene is a promising support material for SACs.
  • Defect engineering can enhance catalyst performance.

Purpose of the Study:

  • To investigate the catalytic properties of platinum single atoms anchored at a 4-carbon ring defect in graphene.
  • To explore the adsorption stability and H2O dissociation activity of these catalysts.
  • To propose a new strategy for designing stable and active single-atom catalysts.

Main Methods:

  • Density Functional Theory (DFT) calculations were employed.
  • The adsorption of platinum single atoms on graphene with a 4-carbon ring defect was modeled.

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Last Updated: May 16, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

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  • The catalytic activity for H2O dissociation was evaluated.

    • Main Results:

    • DFT calculations confirmed enhanced adsorption stability of Pt single atoms at the 4-carbon ring defect.
    • Superior catalytic activity for H2O dissociation was observed compared to other potential sites.
    • The 4-carbon ring defect plays a critical role in stabilizing Pt single atoms.

    Conclusions:

    • Anchoring platinum single atoms at a 4-carbon ring defect in graphene is a viable strategy for creating stable and highly active catalysts.
    • This approach offers a new pathway for the development of advanced single-atom catalysts for water-related reactions.
    • The findings provide valuable insights into structure-activity relationships in graphene-supported single-atom catalysts.