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In Situ Monitoring of the Mechanosynthesis of the Archetypal Metal–Organic Framework HKUST-1 : Effect of Liquid Additives on the Milling Reactivity

Stolar, Tomislav; Batzdorf, Lisa; Lukin, Stipe; Žilić, Dijana; Motillo, Cristina; Friščić, Tomislav; Emmerling, Franziska; Halasz, Ivan; Užarević, Krunoslav (2017) In Situ Monitoring of the Mechanosynthesis of the Archetypal Metal–Organic Framework HKUST-1 : Effect of Liquid Additives on the Milling Reactivity. Inorganic Chemistry, 56 (11). pp. 6599-6608. ISSN 0020-1669

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We have applied in situ monitoring of mechanochemical reactions by high-energy synchrotron powder X-ray diffraction to study the role of liquid additives on the mechanochemical synthesis of the archetypal metal–organic framework (MOF) HKUST-1, which was one of the first and is still among the most widely investigated MOF materials to be synthesized by solvent-free procedures. It is shown here how the kinetics and mechanisms of the mechanochemical synthesis of HKUST-1 can be influenced by milling conditions and additives, yielding on occasion two new and previously undetected intermediate phases containing a mononuclear copper core, and that finally rearrange to form the HKUST-1 architecture. On the basis of in situ data, we were able to tune and direct the milling reactions toward the formation of these intermediates, which were isolated and characterized by spectroscopic and structural means and their magnetic properties compared to those of HKUST-1. The results have shown that despite the relatively large breadth of analysis available for such widely investigated materials as HKUST-1, in situ monitoring of milling reactions can help in the detection and isolation of new materials and to establish efficient reaction conditions for the mechanochemical synthesis of porous MOFs.

Item Type: Article
Uncontrolled Keywords: mechanochemistry ; metal-organic frameworks ; HKUST-1 ; in situ X-ray diffraction ; ESR ; intermediate ; coordination polymers
Subjects: NATURAL SCIENCES > Physics > Condensed Matter Physics
NATURAL SCIENCES > Chemistry > Inorganic Chemistry
Divisions: Division of Physical Chemistry
Project titleProject leaderProject codeProject type
Karakterizacija niskotemperaturne molekulske dinamike sustava s neuređenom rešetkom metodom ESR-DESiReMarina Ilakovac KvederIP-2013-11-1108HRZZ
Mehaniokemijska reaktivnost pod kontroliranim uvjetima temperature i atmosfere za čišću sintezu funkcionalnih materijala-MECHANOCONTROLKrunoslav UžarevićUIP-2014-09-4744HRZZ
Depositing User: Dijana Žilić
Date Deposited: 10 Nov 2017 16:18
DOI: 10.1021/acs.inorgchem.7b00707

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