Mechanochemical Reactions from Individual Impacts to Global Transformation Kinetics

Carta, Maria; Vugrin, Leonarda; Miletić, Goran I.; Kulcsár, Marina Juribašić; Ricci, Pier Carlo; Halasz, Ivan; Delogu, Francesco (2023) Mechanochemical Reactions from Individual Impacts to Global Transformation Kinetics. Angewandte Chemie International Edition, 62 (33). ISSN 1433-7851

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Abstract

Typically induced by the mechanical processing of powders in ball mills, mechanochemical transformations are considered to result from the application of mechanical force to solid reactants. However, the undeniable deep connection between the dynamic compaction of powders during impacts and the overall transformation degree has yet to be disclosed. In the present work, we show that the square planar bis(dibenzoylmethanato)NiII coordination compound undergoes trimerization when its powder experiences even a single ball impact. Based on systematic experiments with individual ball impacts and analysis by Raman spectroscopy, we provide here quantitative mapping of the transformation in the powder compact and deduce bulk reaction kinetics from multiple individual impacts.

Item Type:	Article
Uncontrolled Keywords:	impact; kinetics; mechanochemistry; trimerization
Subjects:	NATURAL SCIENCES NATURAL SCIENCES > Chemistry NATURAL SCIENCES > Chemistry > Physical Chemistry
Divisions:	Division of Physical Chemistry Division of Materials Chemistry
Depositing User:	Ivan Halasz
Date Deposited:	13 Feb 2025 10:14
URI:	http://fulir.irb.hr/id/eprint/9564
DOI:	10.1002/anie.202308046

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