Catalysis with Two-Dimensional Materials Confining Single Atoms: Concept, Design, and Applications

Area of Science:

• Catalysis
• Materials Science
• Nanotechnology

Background:

• Two-dimensional (2D) materials and single-atom catalysts (SACs) are leading research areas.
• Integrating these fields yields a new class of catalysts with synergistic advantages.
• This emerging field offers unique opportunities for catalytic applications.

Purpose of the Study:

• To review the concept of 2D materials confining single atoms for catalysis.
• To discuss the synthesis, characterization, and applications of these integrated catalysts.
• To highlight future opportunities and challenges in this rapidly developing field.

Main Methods:

• Focus on graphene, g-C3N4, and MoS2 as representative 2D materials.
• Incorporate both metal and nonmetal single atoms for confinement.
• Systematic review of synthesis methods and advanced characterization techniques.

Main Results:

• The integration of 2D materials and single atoms creates new electronic states.
• 2D materials modulate the catalytic performance of confined single atoms.
• Confined single atoms can alter the intrinsic activity of 2D materials.

Conclusions:

• The synergistic effects between 2D materials and single atoms significantly enhance catalytic activity.
• This review provides a comprehensive overview of the field, from synthesis to applications.
• The field holds substantial promise, with ongoing research addressing current challenges.