Journal
CHEMICAL SCIENCE
Volume 12, Issue 11, Pages 4104-4110Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0sc06747d
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Funding
- National Natural Science Foundation of China [21922407]
- Natural Science Foundation of Jiangsu Province of China [BK20190086]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Robert A. Welch Foundation
- Welch Endowed Chair [A-0030]
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Modulating the stacking modes of nanoscale NU-901 through morphology engineering resulted in different morphologies such as nanosheets, interpenetrated nanosheets, and nanoparticles. The three stacked nanoscale NU-901 demonstrated varied separation abilities, all showing superior performance compared to bulk phase NU-901. This work provides a new approach for modulating the stacking modes of nano-sized MOFs and enhancing their separation capabilities.
Modulating different stacking modes of nanoscale metal-organic frameworks (MOFs) introduces different properties and functionalities but remains a great challenge. Here, we describe a morphology engineering method to modulate the stacking modes of nanoscale NU-901. The nanoscale NU-901 is stacked through solvent removal after one-pot solvothermal synthesis, in which different morphologies from nanosheets (NS) to interpenetrated nanosheets (I-NS) and nanoparticles (NP) were obtained successfully. The stacked NU-901-NS, NU-901-I-NS, and NU-901-NP exhibited relatively aligned stacking, random stacking, and close packing, respectively. The three stacked nanoscale NU-901 exhibited different separation abilities and all showed better performance than bulk phase NU-901. Our work provides a new morphology engineering route for the modulation of the stacking modes of nano-sized MOFs and improves the separation abilities of MOFs.
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