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Updated: Jul 10, 2026
11:27
Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
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Generic Vitrification of Prototype Metal-Organic Frameworks Linked by Rigid Dicarboxylate Linkers
Meihua Qin1, Chenghang Qi1, Yanxin Deng1
1School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
Journal of the American Chemical Society
|January 16, 2026
Summary
Researchers developed a new strategy to vitrify (turn into glass) rigid metal-organic frameworks (MOFs). This method overcomes previous limitations, enabling the creation of new functional glassy materials from a wider range of MOF structures.
Area of Science:
- Materials Science
- Chemistry
Background:
- Vitrifying crystalline metal-organic frameworks (MOFs) creates processable glassy materials.
- Rigid linkers in many MOFs limit their vitrification due to low configurational entropy.
Purpose of the Study:
- To develop a generalizable strategy for vitrifying rigid MOFs.
- To overcome the limitations imposed by rigid linkers in MOF structures.
Main Methods:
- Grafting flexible side chains onto rigid linkers.
- Utilizing mixed-metal nodes.
- Introducing coordination modulators to tune network connectivity.
Main Results:
- Successfully vitrified functionalized MOF-5 and MIL-101.
- Produced glasses with tunable properties based on modulator content and metal composition.
- Achieved high photoluminescence quantum yields and material robustness.
Conclusions:
- Established rational design principles for converting rigid MOFs into functional glasses.
- Unlocked a vast library of reticular structures for new glass development.
- Demonstrated potential for optically pumped lasers using the resulting glassy matrices.
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