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Related Experiment Video

Updated: Mar 22, 2026

Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior

Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior

Published on: March 8, 2024

Porosity in metal-organic framework glasses.

A W Thornton¹, K E Jelfs², K Konstas¹

¹Future Industries, Commonwealth Scientific and Industrial Research Organisation, Private Bag 10, Clayton Sth, VIC 3169, Australia.

Chemical Communications (Cambridge, England)

|January 23, 2016

Summary

Researchers characterized the porosity of a novel metal-organic framework glass using positron annihilation lifetime spectroscopy. This glass exhibits intermediate porosity, suggesting potential applications in gas storage and separation technologies.

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Last Updated: Mar 22, 2026

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Synthesis and Characterization of Functionalized Metal-organic Frameworks

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Area of Science:

Materials Science
Chemistry
Physics

Background:

Metal-organic frameworks (MOFs) are crystalline materials with tunable porosity.
Melt-quenching MOFs can create amorphous glasses with unique properties.
Understanding the porosity of these glasses is crucial for their applications.

Purpose of the Study:

To characterize the porosity of a glass derived from a metal-organic framework.
To compare the porosity of the glass with its crystalline counterparts.
To explore the potential applications of such hybrid glasses.

Main Methods:

Positron annihilation lifetime spectroscopy (PALS) was employed to probe the free volume and porosity.
A structural model of the glass was generated using an amorphous polymerization algorithm.

Main Results:

The PALS results indicate porosity intermediate between ZIF-4 and ZIF-zni crystalline frameworks.
The structural model provided insights into the gas-inaccessible nature of the observed porosity.
The findings suggest the hybrid glass possesses distinct porous characteristics.

Conclusions:

Melt-quenching offers a route to create MOF-derived glasses with controlled porosity.
The characterized porosity suggests potential for applications in areas like gas separation.
Further investigation into hybrid glasses could unlock new material functionalities.