Exploring the effect of temperature on a mechanochemical reaction by in situ synchrotron powder X-ray diffraction (CROSBI ID 225445)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Užarević, Krunoslav ; Štrukil, Vjekoslav ; Mottillo, Cristina ; Julien, Patrick A. ; Puškarić, Andreas ; Friščić, Tomislav ; Halasz, Ivan
engleski
Exploring the effect of temperature on a mechanochemical reaction by in situ synchrotron powder X-ray diffraction
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.
in situ mechanochemistry ; temperature ; kinetics ; mechanism ; diffraction
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