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Plasmonic Photoelectrochemistry: In View of Hot Carriers.
Yuchao Zhang1, Wenxiao Guo1, Yunlu Zhang1
1Department of Chemistry and Center for Catalysis, University of Florida, Gainesville, FL, 32611, USA.
Advanced Materials (Deerfield Beach, Fla.)
|May 12, 2021
Summary
Photoelectrochemistry helps understand hot carrier transfer in plasmonic photocatalysis. This method separates hot holes and electrons, revealing crucial mechanistic insights for solar energy applications.
Area of Science:
- Plasmonic photocatalysis
- Solar energy conversion
- Surface chemistry
Background:
- Hot carrier transfer is key to solar photocatalysis but poorly understood.
- Investigating hot holes and hot electrons separately is challenging.
- Plasmonic materials are crucial for efficient light harvesting.
Purpose of the Study:
- To review photoelectrochemical studies on plasmonic electrodes for understanding hot carrier dynamics.
- To explore the distinct roles of hot holes and hot electrons in photocatalysis.
- To discuss spectroelectrochemistry applications for plasmonic materials.
Main Methods:
- Photoelectrochemistry to localize and study hot holes and electrons.
- Review of studies on plasmonic electrodes.
- Analysis of spectroelectrochemistry principles and applications.
Main Results:
- Photoelectrochemistry allows separate investigation of hot-hole and hot-electron transfer dynamics.
- Plasmonic electrodes are effective platforms for these studies.
- Spectroelectrochemistry provides complementary mechanistic information.
Conclusions:
- Photoelectrochemistry is a powerful technique for elucidating plasmonic photocatalysis mechanisms.
- Understanding hot carrier transfer is essential for advancing solar photocatalysis.
- Further research using these methods will enhance solar energy technologies.
