期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 28, 期 53, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202201489
关键词
macroscopic electrochemistry; nano-impact electrochemistry; plasmonic nanoparticles; scanning electrochemical microscope
资金
- National Natural Science Foundation of China [21972039]
- Science and Technology Project of Hunan Province [2020SK2014, 2020RC3021, 2020JJ3005]
This article discusses the recent progress in the research of plasmon enhanced electrochemistry (PEEC), focusing on the mechanism of using light-excited hot carriers of plasmonic nanoparticles to promote specific electrochemical reactions. Two electrochemical techniques with single nanoparticle sensitivity are highlighted and their pros and cons are discussed.
Plasmon enhanced electrochemistry (PEEC), where specific electrochemical reactions are promoted due to the reduced energy barrier of the reaction processes by the light excited hot carriers of the plasmonic nanoparticles, has aroused tremendous interest in recent years. A deep understanding of the PEEC process becomes a key issue for facilitating PEEC catalyst design and improving PEEC performance. This concept article begins with a brief discussion of the macroscopic electrochemical method of PEEC study of the plasmonic nanoparticle ensembles. Following that, we highlight two electrochemical techniques that may possess single nanoparticle sensitivity, i. e., scanning electrochemical microscope and nano-impact electrochemistry. The pros and cons of each technique are discussed and an outlook is given. We hope to provide the readers with the current status of PEEC to evoke reflections regarding the reaction mechanisms, performance improvement, and the utilizations to important systems.
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