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Updated: Aug 9, 2025

Preparation of Silver-Palladium Alloyed Nanoparticles for Plasmonic Catalysis under Visible-Light Illumination

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Published on: August 18, 2020

Active Site Engineering on Plasmonic Nanostructures for Efficient Photocatalysis.

Wenbin Jiang¹, Beverly Qian Ling Low¹, Ran Long²

¹Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore 138634, Republic of Singapore.

|February 21, 2023

Summary

Active site engineering boosts plasmonic nanostructures for enhanced photocatalysis. This review details four types of active sites and their synergy with plasmonic metals to improve solar energy conversion and catalytic efficiency.

Keywords:

active site engineering design principle emerging application energy coupling photocatalysis plasmonic nanostructure reaction pathway synthesis and characterization

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Area of Science:

Materials Science
Nanotechnology
Photocatalysis

Background:

Plasmonic nanostructures offer unique photochemical properties for photocatalysis due to tunable photoresponses and strong light-matter interactions.
The intrinsic activity of plasmonic metals is often limited, necessitating strategies to enhance their photocatalytic performance.
Engineering active sites is crucial for maximizing the potential of plasmonic nanostructures in catalytic applications.

Purpose of the Study:

To review active site-engineered plasmonic nanostructures for enhanced photocatalytic performance.
To classify and discuss the synergy between different types of active sites and plasmonic nanostructures.
To summarize applications and future perspectives in plasmonic photocatalysis.

Main Methods:

Classification of active sites into four types: metallic, defect, ligand-grafted, and interface sites.
Discussion of material synthesis and characterization techniques for plasmonic nanostructures.
Analysis of the synergistic mechanisms between active sites and plasmonic nanostructures in photocatalysis.

Main Results:

Active sites enhance photocatalysis by facilitating solar energy coupling through local electromagnetic fields, hot carriers, and photothermal heating.
Efficient energy coupling mediated by active sites can regulate reaction pathways and create additional active sites.
Applications of engineered plasmonic nanostructures in emerging photocatalytic reactions are summarized.

Conclusions:

Active site engineering is a key strategy to unlock the full potential of plasmonic nanostructures in photocatalysis.
Understanding the interplay between active sites and plasmonic properties is vital for designing high-performance photocatalysts.
Further research into challenges and opportunities can accelerate the development of advanced plasmonic photocatalysts.