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Updated: Jul 26, 2025

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Dual-Active-Sites Single-Atom Catalysts for Advanced Applications.
Shaolong Zhang1, Minchen Hou1, Yanliang Zhai2
1College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China.
Dual-Active-Sites Single-Atom catalysts (DASs SACs) offer enhanced performance by combining single atomic and other active sites. This review categorizes DASs SACs, details their preparation, and explores applications in catalysis.
Area of Science:
- Materials Science
- Catalysis
- Nanotechnology
Background:
- Single-atom catalysts (SACs) represent a significant advancement in catalysis.
- Dual-atom catalysts (DACs) offer unique properties by incorporating two active centers.
- Dual-Active-Sites Single-Atom catalysts (DASs SACs) merge the benefits of SACs and DACs, creating novel catalytic materials.
Purpose of the Study:
- To provide a comprehensive review of Dual-Active-Sites Single-Atom catalysts (DASs SACs).
- To classify DASs SACs into distinct categories based on their structural configurations.
- To discuss preparation methods, structural characteristics, applications, and mechanisms of DASs SACs.
Main Methods:
- Classification of DASs SACs into seven types: neighboring mono metallic, bonded, non-bonded, bridged, asymmetric, metal-nonmetal combined, and space separated.
- Comprehensive description of general preparation methods for DASs SACs.
- In-depth assessment of applications in electrocatalysis, thermocatalysis, and photocatalysis.
Main Results:
- DASs SACs exhibit excellent catalytic performance due to their dual active sites.
- Detailed discussion on the structural characteristics of various DASs SACs types.
- Exploration of unique catalytic mechanisms and broad application potential.
Conclusions:
- DASs SACs represent a promising frontier in catalyst design, building upon SACs and DACs.
- This review offers novel perspectives and highlights opportunities for future research and development in DASs SACs.
- DASs SACs hold significant potential for advancements in various catalytic applications.
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