Author
Listed:
- Athanassios D. Katsenis
(McGill University)
- Andreas Puškarić
(Ruđer Bošković Institute)
- Vjekoslav Štrukil
(McGill University
Ruđer Bošković Institute)
- Cristina Mottillo
(McGill University)
- Patrick A. Julien
(McGill University)
- Krunoslav Užarević
(Ruđer Bošković Institute)
- Minh-Hao Pham
(Université Laval)
- Trong-On Do
(Université Laval)
- Simon A. J. Kimber
(ESRF—The European Synchrotron)
- Predrag Lazić
(Ruđer Bošković Institute)
- Oxana Magdysyuk
(Scientific Service Group X-ray Diffraction, Max Planck Institute for Solid State Research)
- Robert E. Dinnebier
(Scientific Service Group X-ray Diffraction, Max Planck Institute for Solid State Research)
- Ivan Halasz
(Ruđer Bošković Institute)
- Tomislav Friščić
(McGill University)
Abstract
Chemical and physical transformations by milling are attracting enormous interest for their ability to access new materials and clean reactivity, and are central to a number of core industries, from mineral processing to pharmaceutical manufacturing. While continuous mechanical stress during milling is thought to create an environment supporting nonconventional reactivity and exotic intermediates, such speculations have remained without proof. Here we use in situ, real-time powder X-ray diffraction monitoring to discover and capture a metastable, novel-topology intermediate of a mechanochemical transformation. Monitoring the mechanochemical synthesis of an archetypal metal-organic framework ZIF-8 by in situ powder X-ray diffraction reveals unexpected amorphization, and on further milling recrystallization into a non-porous material via a metastable intermediate based on a previously unreported topology, herein named katsenite (kat). The discovery of this phase and topology provides direct evidence that milling transformations can involve short-lived, structurally unusual phases not yet accessed by conventional chemistry.
Suggested Citation
Athanassios D. Katsenis & Andreas Puškarić & Vjekoslav Štrukil & Cristina Mottillo & Patrick A. Julien & Krunoslav Užarević & Minh-Hao Pham & Trong-On Do & Simon A. J. Kimber & Predrag Lazić & Oxana M, 2015.
"In situ X-ray diffraction monitoring of a mechanochemical reaction reveals a unique topology metal-organic framework,"
Nature Communications, Nature, vol. 6(1), pages 1-8, May.
Handle:
RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7662
DOI: 10.1038/ncomms7662
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