Towards time resolved characterization of electrochemical reactions: electrochemically-induced Raman spectroscopy. D'Amario, L., Stella, M. B., Edvinsson, T., Persico, M., Messinger, J., & Dau, H. Chemical Science, 13(36):10734–10742, September, 2022. Publisher: The Royal Society of ChemistryPaper doi abstract bibtex Structural characterization of transient electrochemical species in the sub-millisecond time scale is the all-time wish of any electrochemist. Presently, common time resolution of structural spectro-electrochemical methods is about 0.1 seconds. Herein, a transient spectro-electrochemical Raman setup of easy implementation is described which allows sub-ms time resolution. The technique studies electrochemical processes by initiating the reaction with an electric potential (or current) pulse and analyses the product with a synchronized laser pulse of the modified Raman spectrometer. The approach was validated by studying a known redox driven isomerization of a Ru-based molecular switch grafted, as monolayer, on a SERS active Au microelectrode. Density-functional-theory calculations confirmed the spectral assignments to sub-ms transient species. This study paves the way to a new generation of time-resolved spectro-electrochemical techniques which will be of fundamental help in the development of next generation electrolizers, fuel cells and batteries.
@article{damario_towards_2022,
title = {Towards time resolved characterization of electrochemical reactions: electrochemically-induced {Raman} spectroscopy},
volume = {13},
issn = {2041-6539},
shorttitle = {Towards time resolved characterization of electrochemical reactions},
url = {https://pubs.rsc.org/en/content/articlelanding/2022/sc/d2sc01967a},
doi = {10.1039/D2SC01967A},
abstract = {Structural characterization of transient electrochemical species in the sub-millisecond time scale is the all-time wish of any electrochemist. Presently, common time resolution of structural spectro-electrochemical methods is about 0.1 seconds. Herein, a transient spectro-electrochemical Raman setup of easy implementation is described which allows sub-ms time resolution. The technique studies electrochemical processes by initiating the reaction with an electric potential (or current) pulse and analyses the product with a synchronized laser pulse of the modified Raman spectrometer. The approach was validated by studying a known redox driven isomerization of a Ru-based molecular switch grafted, as monolayer, on a SERS active Au microelectrode. Density-functional-theory calculations confirmed the spectral assignments to sub-ms transient species. This study paves the way to a new generation of time-resolved spectro-electrochemical techniques which will be of fundamental help in the development of next generation electrolizers, fuel cells and batteries.},
language = {en},
number = {36},
urldate = {2024-10-16},
journal = {Chemical Science},
author = {D'Amario, Luca and Stella, Maria Bruna and Edvinsson, Tomas and Persico, Maurizio and Messinger, Johannes and Dau, Holger},
month = sep,
year = {2022},
note = {Publisher: The Royal Society of Chemistry},
pages = {10734--10742},
}
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