Ultrahigh-Field 67Zn NMR reveals short-range disorder in zeolitic imidazolate framework glasses

Rasmus Skov Klitgaard Madsen, Ang Qiao, Jishnu Sen, Ivan Hung, Kuizhi Chen, Zhehong Gan, Sabyasachi Sen*, Yuanzheng Yue*

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)


The structure of melt-quenched zeolitic imidazole framework (ZIF) glasses can provide insights into their glass-formation mechanism. We directly detected short-range disorder in ZIF glasses using ultrahigh-field zinc-67 solid-state nuclear magnetic resonance spectroscopy. Two distinct Zn sites characteristic of the parent crystals transformed upon melting into a single tetrahedral site with a broad distribution of structural parameters. Moreover, the ligand chemistry in ZIFs appeared to have no controlling effect on the short-range disorder, although the former affected their phase-transition behavior. These findings reveal structure-property relations and could help design metal-organic framework glasses.

Original languageEnglish
Issue number6485
Pages (from-to)1473–1476
Number of pages4
Publication statusPublished - 27 Mar 2020

Bibliographical note

Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.

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