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A Mini Review on Yolk-Shell Structured Nanocatalysts.

Xiaohuan Sun¹, Jie Han¹, Rong Guo¹

¹School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China.

Frontiers in Chemistry

|December 17, 2020

Summary

Yolk-shell nanomaterials offer a unique structure for advanced catalysis. Their design prevents active material aggregation, enhancing catalytic performance and stability.

Keywords:

nanocatalyst size selective tandem catalysis yolk-in-shell yolk-shell

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Area of Science:

Nanomaterials Science
Catalysis
Material Chemistry

Background:

Yolk-shell structured nanomaterials feature a hollow shell enclosing an inner core.
These structures are gaining attention for their potential in various scientific fields, including material science, biology, and chemistry.
The yolk-shell architecture is particularly promising for nanocatalyst applications.

Purpose of the Study:

To review synthetic methods for preparing diverse yolk-shell nanomaterials.
To discuss strategies for enhancing the performance of yolk-shell catalysts.
To explore future challenges and prospects in the field of yolk-shell nanocatalysts.

Main Methods:

Review of established and novel synthetic strategies for yolk-shell nanomaterials.
Analysis of techniques for engineering the shell, yolk, and void components.
Examination of synergistic effects contributing to catalytic performance.

Main Results:

The hollow shell provides a confined space, preventing active yolk aggregation and deactivation.
The inner void facilitates efficient mass transfer, crucial for catalytic processes.
Various strategies for optimizing yolk-shell catalyst performance have been identified.

Conclusions:

Yolk-shell nanomaterials represent a significant advancement in catalyst design.
Engineering the distinct components of yolk-shell structures offers pathways to superior catalytic activity.
Further research into yolk-shell nanocatalysts holds promise for future innovations.