Journal
CRYSTENGCOMM
Volume 23, Issue 32, Pages 5516-5521Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce00499a
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Funding
- National Natural Science Foundation of China [21671084]
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Two new title MOFs with high porosity and high sensitivity to Fe3+ have been synthesized via solvothermal method, showing potential applications in chemical sensing of CrO42- and Cr2O72-.
Two new title MOFs, namely [Cd-2(TIPA)(2)(bpodc)(2)](n) (1 or MOF-1), [Cd-2(TIPA)(2)(oba)(2)](n) (2 or MOF-2) (TIPA = tris(4-(1H-imidazol-1-yl)phenyl)amine, bpodc = benzophenone-4,4'-dicarboxylic acid, oba = 4,4'-oxydibenzoic acid), have been synthesized via a solvothermal method. MOF-1 and MOF-2 both have a 2-fold interpenetrating 3D framework, and the calculation of PLATON display that porosity are 18.6% and 19.5%, respectively. Attributing to MOF-2's uncoordinated carboxylate groups, it exhibits a high sensitivity in detecting Fe3+ with a very large quenching coefficient K-sv up to 27 027 M-1. Moreover, MOF-2 also has potential applications in chemical sensing of CrO42- and Cr2O72-.
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