Sight into a Rare-Earth-Based Catalyst with Spatial Confinement Effect from the Perspective of Electronic Structure

Area of Science:

• Materials Science
• Catalysis
• Rare-Earth Chemistry

Background:

• Rare-earth elements, including lanthanides, scandium (Sc), and yttrium (Y), possess unique [Xe]4f5d^0-16s² electronic configurations.
• This electronic structure imparts significant activity in thermal, electro-, and photocatalysis.
• Materials with spatial confinement effects, particularly hollow multishelled structures (HoMSs), are increasingly vital for catalytic performance enhancement.

Purpose of the Study:

• To explore the critical roles of the rare-earth 4f5d electronic structure in catalytic applications.
• To systematically review the synthesis methods and catalytic research progress of rare-earth HoMSs.
• To introduce advanced characterization and analysis techniques for rare-earth HoMSs.

Main Methods:

• In-depth discussion of the fundamental electronic properties of rare-earth elements.
• Systematic summarization of synthesis strategies for constructing rare-earth HoMSs.
• Review of research findings on the catalytic performance of rare-earth HoMSs.
• Introduction to advanced characterization techniques applicable to these materials.

Main Results:

• Rare-earth 4f5d electronic structure is key to their catalytic activity.
• HoMSs provide an effective platform for enhancing rare-earth catalyst efficiency through spatial confinement.
• Established synthesis routes and characterization methods facilitate the study and application of rare-earth HoMSs.

Conclusions:

• Rare-earth-based HoMSs represent a promising frontier in catalysis.
• Future research should focus on optimizing local electronic and spatial confinement structures.
• This review offers valuable insights for designing advanced rare-earth catalysts and other catalytic systems.