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Decoding distance-dependent dual-atom catalysts from structure to function.

Mengyang Zhang1, Xiaomin Lu1, Zefei Wu1

  • 1College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China. shiyan.wang@njupt.edu.cn.

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Summary
This summary is machine-generated.

Dual-atom catalysts (DACs) offer enhanced performance by leveraging paired metal atoms. Precise control over the distance between these atoms is key to optimizing their catalytic properties for advanced applications.

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Area of Science:

  • Heterogeneous catalysis
  • Materials science
  • Nanotechnology

Background:

  • Dual-atom catalysts (DACs) represent a significant advancement, bridging single-atom catalysts and nanoparticles.
  • DACs exhibit superior catalytic activity, selectivity, and stability due to synergistic interactions between paired metal atoms.
  • Interatomic distance is a critical design parameter influencing DACs' electronic structure and catalytic behavior.

Purpose of the Study:

  • To systematically review strategies for modulating diatomic distance in DACs.
  • To elucidate how these strategies optimize catalytic properties.
  • To explore the effects of atomic spacing on stability, adsorption, selectivity, and support interactions.

Main Methods:

  • Review of steric confinement strategies.
  • Analysis of interlayer engineering approaches.
  • Examination of lattice distortion and defect anchoring methods.
  • Integration of experimental data with theoretical modeling.

Main Results:

  • Identified key strategies for precise sub-nanometer spatial control of dual atoms.
  • Demonstrated the multidimensional impact of atomic spacing on catalytic performance.
  • Highlighted the relationship between interatomic distance and electronic/coordination environments.

Conclusions:

  • Precise control over diatomic distance is crucial for rational DAC design.
  • Advanced modulation strategies enable optimization of catalytic properties.
  • This review provides a framework for future innovations in precision catalysis.