Engineering MIL-53(Al) flexibility by controlling amino tags.
Tristan Lescouet1, Emanuel Kockrick, Gerard Bergeret
1University of Lyon, Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), UMR 5256 CNRS - 2 Av. Albert Einstein, 69626, Villeurbanne, France.
The flexibility of Metal-Organic Framework MIL-53(Al) was successfully tuned. Adjusting the ratio of terephthalate and 2-amino terephthalate linkers controls framework flexibility during synthesis.
Area of Science:
- Materials Science
- Chemistry
Background:
- Metal-Organic Frameworks (MOFs) offer tunable properties for various applications.
- MIL-53(Al) is a MOF known for its structural flexibility.
- Controlling MOF flexibility is crucial for optimizing performance.
Purpose of the Study:
- To investigate the effect of linker composition on MIL-53(Al) flexibility.
- To establish a method for tuning the flexibility of MIL-53(Al).
Main Methods:
- Hydrothermal synthesis was employed to create MIL-53(Al) frameworks.
- Varying ratios of terephthalate and 2-amino terephthalate linkers were used.
- Characterization techniques were applied to analyze the resulting frameworks.
Main Results:
- The incorporation of 2-amino terephthalate significantly influenced the flexibility of MIL-53(Al).
- A direct correlation was observed between linker ratio and the degree of framework flexibility.
- Synthesis conditions allowed for controlled tuning of MIL-53(Al) properties.
Conclusions:
- The flexibility of MIL-53(Al) can be effectively modulated by adjusting the terephthalate and 2-amino terephthalate linker ratio.
- This provides a pathway for designing MIL-53(Al) materials with tailored flexibility for specific applications.
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