Porous Materials Confining Single Atoms for Catalysis.

Area of Science:

• Materials Science
• Catalysis
• Nanotechnology

Background:

• Single-atom catalysts (SACs) are gaining attention for their unique structures and high performance.
• Porous materials such as zeolites, metal-organic frameworks (MOFs), and carbon nitride (CN) are effective supports for confined SACs.
• The support material critically influences the metal center's coordination and catalytic activity through charge transfer.

Purpose of the Study:

• To review the recent advancements in single-atom catalysts confined within porous materials.
• To discuss the preparation, characterization, and application of these advanced catalytic systems.
• To analyze the crucial interactions between metal atoms and porous supports.

Main Methods:

• Literature review of research on porous material-confined single-atom catalysts.
• Discussion of various preparation techniques for synthesizing these catalysts.
• Analysis of characterization methods used to study their structure and properties.

Main Results:

• Porous materials offer high surface area, tunable acidity, and shape selectivity, ideal for SACs.
• The metal-support interaction significantly impacts charge distribution and catalytic behavior.
• Diverse applications are emerging across various catalytic fields.

Conclusions:

• Confined SACs in porous materials represent a promising area in catalysis.
• Further research is needed to fully understand and optimize metal-support interactions.
• Prospects and challenges for future development and application are identified.