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- Title
A Simple NMR-Based Method for Studying the Spatial Distribution of Linkers within Mixed-Linker Metal-Organic Frameworks.
- Authors
Krajnc, Andraž; Kos, Tomaž; Zabukovec Logar, Nataša; Mali, Gregor
- Abstract
The spatial distribution of different linkers within mixed-linker metal-organic frameworks crucially influences the properties of such materials. A simple and robust approach based on 1H spin-diffusion magic-angle-spinning nuclear magnetic resonance measurements and modeling of spin-diffusion curves is presented; this approach facilitates the distinction between homogeneous and clustered distributions. The performance of the approach is demonstrated with an example of an aluminum-based metal-organic material DUT-5, which has framework consisting of biphenyl and bipyridyl dicarboxylic linkers. The distribution is shown to be homogeneous in this material. The approach could be applied to studying other spatially disordered crystalline materials.
- Subjects
NUCLEAR magnetic resonance; SPATIAL distribution (Quantum optics); NUCLEAR spin; BIPHENYL compounds; BIPYRIDINE; DICARBOXYLIC acids; TEREPHTHALIC acid
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 36, p10681
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201504426