ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces
5 years ago

Resorcin[4]arene-Based Microporous Metal–Organic Framework as an Efficient Catalyst for CO2 Cycloaddition with Epoxides and Highly Selective Luminescent Sensing of Cr2O72–

Resorcin[4]arene-Based Microporous Metal–Organic Framework as an Efficient Catalyst for CO2 Cycloaddition with Epoxides and Highly Selective Luminescent Sensing of Cr2O72–
Ying-Ying Liu, Jin Yang, Bing-Bing Lu, Jian-Fang Ma, Wei Jiang
A stable microporous anionic metal–organic framework (MOF), [(CH3)2NH2]6[Cd3L(H2O)2]·12H2O (1), has been synthesized via solvothermal assembly of a new resorcin[4]arene-functionalized dodecacarboxylic acid (H12L) and Cd(II) cations. The constructed MOF (1) was characterized by single-crystal X-ray diffraction and other physicochemical analyses. 1 exhibits a fascinating 3D microporous framework structure, in which the free water molecules and the [(CH3)2NH2]+ cations were located. Remarkably, the exposed Lewis acid Cd(II) sites of activated 1 make it an efficient heterogeneous catalyst for the cycloaddition of CO2 with epoxides at 1 and 20 atm. Importantly, the activated samples of 1 can be reused at least five circles with excellent catalytic performance. Moreover, the fluorescence detection of Cr2O72– and Fe3+ was studied by using 1 as a potential luminescent sensor.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b14179

DOI: 10.1021/acsami.7b14179

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