Journal Highlight: Laboratory real-time and in situ monitoring of mechanochemical milling reactions by Raman spectroscopy

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  • Published: Jun 30, 2014
  • Author: spectroscopyNOW
  • Channels: Raman
thumbnail image: Journal Highlight: Laboratory real-time and in situ monitoring of mechanochemical milling reactions by Raman spectroscopy
The course of mechanochemical transformations at the molecular level were monitored in situ and in real time using Raman spectroscopy and translucent milling vessels.


Laboratory real-time and in situ monitoring of mechanochemical milling reactions by Raman spectroscopy

Angewandte Chemie International Edition, 2014, 53, 6193-6197
Davor Gracin, Vjekoslav Štrukil, Tomislav Friščić, Ivan Halasz and Krunoslav Užarević

Abstract: Mechanistic understanding of mechanochemical reactions is sparse and has been acquired mostly by stepwise ex situ analysis. We describe herein an unprecedented laboratory technique to monitor the course of mechanochemical transformations at the molecular level in situ and in real time by using Raman spectroscopy. The technique, in which translucent milling vessels are used that enable the collection of a Raman scattering signal from the sample as it is being milled, was validated on mechanochemical reactions to form coordination polymers and organic cocrystals. The technique enabled the assessment of the reaction dynamics and course under different reaction conditions as well as, for the first time, direct insight into the behavior of liquid additives during liquid-assisted grinding.

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