Solvent- and HF-free synthesis of flexible chromium-based MIL-53 and MIL-88B

Solvent- and HF-free synthesis of flexible chromium-based MIL-53 and MIL-88B

Flexible chromium-based metal-organic frameworks (MOFs) possess unique structural properties on account of their intriguing breathing effect. However, their synthesis often requires the use of corrosive HF and bulk solvents. Herein, we report a facile 2-step synthesis of flexible MIL-53 (Cr) and MIL...

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Bibliographic Details
Main Authors: Teo, Wei Liang, Siti Khadijah Ariff, Zhou, Weiqiang, Jana, Deblin, Phua, Fiona Soo Zeng, Zhao, Yanli
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2022
Subjects:
Science::Chemistry
Metal-Organic Frameworks
Grinding Method
Online Access:https://hdl.handle.net/10356/161251
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Institution: Nanyang Technological University
Language: English
Description
Summary:Flexible chromium-based metal-organic frameworks (MOFs) possess unique structural properties on account of their intriguing breathing effect. However, their synthesis often requires the use of corrosive HF and bulk solvents. Herein, we report a facile 2-step synthesis of flexible MIL-53 (Cr) and MIL-88B (Cr) without using solvents and HF acid modulator. This methodology was highly selective based on the type of metal precursors used, giving the two MOFs separately under similar synthetic procedure. The synthesized MIL-53 (Cr) and MIL-88B (Cr) were fully characterized by multiple techniques to ensure their high quality. This work highlights a useful strategy to be adopted for future scale-up production of flexible chromium-based MOFs.

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