Chemistry

Plasmon-driven chemical transformation of a secondary amide probed by surface enhanced Raman scattering

A. Dutta, M. Ončák, et al.

This cutting-edge study explores the fascinating reactivity of N-methyl-4-sulfanylbenzamide (NMSB) at gold and silver nanoparticle aggregates under plasmonic excitation. By employing surface-enhanced Raman scattering (SERS), the authors reveal a hot electron-mediated transformation of NMSB into p-mercaptobenzamide and p-mercaptobenzonitrile, showcasing an unexpected non-thermal reaction pathway. Discover the exciting findings from this collaborative research by Anushree Dutta, Milan Ončák, Farhad Izadi, Eugene Arthur-Baidoo, João Ameixa, Stephan Denifl, and Ilko Bald.

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Abstract

This study investigates the reactivity of N-methyl-4-sulfanylbenzamide (NMSB), a secondary amide, at gold and silver nanoparticle aggregates under plasmonic excitation. Surface-enhanced Raman scattering (SERS) is used to initiate and monitor the molecular transformation. The results suggest a hot electron-mediated conversion of NMSB to p-mercaptobenzamide and p-mercaptobenzonitrile, with negligible temperature dependence, indicating a non-thermal reaction pathway.

Publisher

Communications Chemistry

Published On

Aug 27, 2024

Authors

Anushree Dutta, Milan Ončák, Farhad Izadi, Eugene Arthur-Baidoo, João Ameixa, Stephan Denifl, Ilko Bald

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