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Plasmonic Imaging of Electrochemical Reactions of Single Nanoparticles

ConspectusElectrochemical reactions are involved in many natural phenomena, and are responsible for various applications, including energy conversion and storage, material processing and protection, and chemical detection and analysis. An electrochemical reaction is accompanied by electron transfer between a chemical species and an electrode. For this reason, it has been studied by measuring current, charge, or related electrical quantities. This approach has led to the development of various electrochemical methods, which have played an essential role in the understanding and applications of electrochemistry. While powerful, most of the traditional methods lack spatial and temporal resolutions desired for studying heterogeneous electrochemical reactions on electrode surfaces and in nanoscale materials. To overcome the limitations, scanning probe microscopes have been invented to map local electrochemical reactions with nanometer resolution. Examples include the scanning electrochemical microscope and sca...

Authors:   Yimin Fang; Hui Wang; Hui Yu; Xianwei Liu; Wei Wang; Hong-Yuan Chen; N. J. Tao
Journal:   Accounts of Chemical Research
Year:   2016
DOI:   10.1021/acs.accounts.6b00348
Publication date:   23-Sep-2016
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