Journal
POLYHEDRON
Volume 153, Issue -, Pages 205-212Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.07.026
Keywords
Structural defects; Zr-fumarate MOF; In-situ IR monitoring; Solvent-dependent; 3D FTIR spectra
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Funding
- South African Department of Science and Technology (DST) [EIMH01 X]
- National Research Foundation (NRF) under the South Africa/France joint collaboration grant [EIMH06X]
- DST-NRF Professional Development Programme grant [EIMH08X]
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In this work, in-situ IR monitoring technique was employed to monitor the crystallization process of Zrfumarate (Zr-fum) MOF in both H2O- and DMF-based systems. Wherein, the acid modulator (HCOOH) was only observed to be consumed in the DMF-based synthesis. Further solid-state NMR ex-situ results suggested the participations of HCOOH in the Zr-fum MOF structure formation, resulting in the possibility of formation of structural defects. This observation will further help to understand the formation of MOF structural defects from different solvent systems. (C) 2018 Elsevier Ltd. All rights reserved.
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