Tuning the Properties of MOF-808 via Defect Engineering and Metal Nanoparticle Encapsulation
Open Access
- 15 April 2021
- journal article
- research article
- Published by Wiley in Chemistry – A European Journal
- Vol. 27 (22), 6804-6814
- https://doi.org/10.1002/chem.202005050
Abstract
Defect engineering and metal encapsulation are considered as valuable approaches to fine-tune the reactivity of metal-organic frameworks. In this work, various MOF-808 (Zr) samples are synthesized and characterized with the final aim to understand how defects and/or platinum nanoparticle encapsulation act on the intrinsic and reactive properties of these MOFs. The reactivity of the pristine, defective and Pt encapsulated MOF-808 is quantified with water adsorption and CO2 adsorption calorimetry. The results reveal strong competitive effects between crystal morphology and missing linker defects which in turn affect the crystal morphology, porosity, stability, and reactivity. In spite of leading to a loss in porosity, the introduction of defects (missing linkers or Pt nanoparticles) is beneficial to the stability of the MOF-808 towards water and could also be advantageously used to tune adsorption properties of this MOF family.Keywords
Funding Information
- H2020 Marie Skłodowska-Curie Actions (641887 - DEFNET)
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