Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 13, Issue 44, Pages 51945-51953Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c07701
Keywords
metal-organic frameworks; postsynthetic ligand insertion; new topology; 14-connected Zr-6 SBU; luminescence
Funding
- Washington State University startup funds [10H24529967]
- Center for Biomolecular Structure and Dynamics CoBRE (National Institutes of Health) [CoBRE NIGMS P20GM103546]
- NSF MRI [CHE-1337908]
- Frank A. Fowler Endowed Graduate Fellowship in Chemistry
- Washington State University
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Two new zirconium MOFs, WSU-6 and WSU-7, were synthesized through postsynthetic modifications, with different topologies and secondary building units. The structures and photoluminescence properties of these materials were studied.
Two new zirconium MOFs, WSU-6 and WSU-7, were synthesized through postsynthetic modifications. In both cases, linker insertion was conducted on a MOF consisting of eight-connected (8-c) Zr-6 cluster and four-connected (4-c) ETTC linker, WSU-5, which possesses the uncommon 4, 8-c scu-c topology. The insertion of 1, 4-benzenedicarboxylate into the MOF formed the new 4, 12-c mjh topology, WSU-6. Interestingly, when 2, 6-naphthalenedicarboxylate was inserted, WSU-7 can be formed, which possesses a new 4, 14-c jkz topology. WSU-7 contains very rare 14-c Zr-6 secondary building units (SBUs) and is the first MOF to have a Zr-6 SBUs with connectivity greater than 12. The three Zr-MOFs were structurally characterized, and the photoluminescence properties of the materials were also studied.
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