Exploring the Effect of Temperature on a Mechanochemical Reaction by in Situ Synchrotron Powder X-ray Diffraction

Krunoslav Užarević; Vjekoslav Štrukil; Cristina Mottillo; Patrick A. Julien; Andreas Puškarić; Tomislav Friščić; Ivan Halasz

doi:10.1021/acs.cgd.6b00137

Exploring the Effect of Temperature on a Mechanochemical Reaction by in Situ Synchrotron Powder X-ray Diffraction

Krunoslav Užarević^*, Vjekoslav Štrukil, Cristina Mottillo, Patrick A. Julien, Andreas Puškarić, Tomislav Friščić, Ivan Halasz

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

We describe the first in situ and real-time study of a mechanochemical reaction by variable-temperature synchrotron powder X-ray diffraction. Using the dry milling synthesis of a coordination polymer as a model system, we reveal a change in reaction mechanism if temperature is increased, and a strong dependence of the reaction rate on temperature, with a ca. 6-fold increase of the rate of reactant depletion for a 45°C rise in temperature. These experiments provide also the first direct evidence how a formally dry milling reaction is facilitated by water released from a hydrated reactant.

Original language	English
Pages (from-to)	2342-2347
Number of pages	6
Journal	Crystal Growth and Design
Volume	16
Issue number	4
DOIs	https://doi.org/10.1021/acs.cgd.6b00137
Publication status	Published - 6 Apr 2016

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Publisher Copyright:
© 2016 American Chemical Society.

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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abstract = "We describe the first in situ and real-time study of a mechanochemical reaction by variable-temperature synchrotron powder X-ray diffraction. Using the dry milling synthesis of a coordination polymer as a model system, we reveal a change in reaction mechanism if temperature is increased, and a strong dependence of the reaction rate on temperature, with a ca. 6-fold increase of the rate of reactant depletion for a 45°C rise in temperature. These experiments provide also the first direct evidence how a formally dry milling reaction is facilitated by water released from a hydrated reactant.",

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AU - Užarević, Krunoslav

AU - Štrukil, Vjekoslav

AU - Mottillo, Cristina

AU - Julien, Patrick A.

AU - Puškarić, Andreas

AU - Friščić, Tomislav

AU - Halasz, Ivan

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AB - We describe the first in situ and real-time study of a mechanochemical reaction by variable-temperature synchrotron powder X-ray diffraction. Using the dry milling synthesis of a coordination polymer as a model system, we reveal a change in reaction mechanism if temperature is increased, and a strong dependence of the reaction rate on temperature, with a ca. 6-fold increase of the rate of reactant depletion for a 45°C rise in temperature. These experiments provide also the first direct evidence how a formally dry milling reaction is facilitated by water released from a hydrated reactant.

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Exploring the Effect of Temperature on a Mechanochemical Reaction by in Situ Synchrotron Powder X-ray Diffraction

Abstract

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