Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 144, Issue 49, Pages 22669-22675Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.2c09756
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Funding
- Defense Advanced Research Projects Agency (DARPA) [HR0011-21-C-0020]
- NIH [S10OD024998]
- Kavli ENSI Philomathia Graduate Student Fellowship
- Blavatnik Innovation Fellowship
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A new series of multivariate MOF-303-based water harvesting frameworks with greater tunability has been developed, along with a high-yielding and scalable synthesis method. The framework maintains its crystallinity, porosity, and water-harvesting performance.
Development of multivariate metal-organic frameworks (MOFs) as derivatives of the state-of-art water-harvesting material MOF-303 {[Al(OH)(PZDC)], where PZDC2- is 1H-pyrazole-3,5-dicarboxylate} was shown to be a powerful tool to generate efficient water sorbents tailored to a given environmental condition. Herein, a new multivariate MOF-303-based water harvesting framework series from readily available reactants is developed. The resulting MOFs exhibit a larger degree of tunability in the operational relative humidity range (16%), regeneration temperature (14 degrees C), and desorption enthalpy (5 kJ mol-1) than reported previously. Additionally, a high-yielding (>= 90%) and scalable (similar to 3.5 kg) synthesis is demonstrated in water and with excellent space-time yields, without compromising framework crystallinity, porosity, and water-harvesting performance.
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