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Updated: Jan 22, 2026

Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
A CdII -Based Metal-Organic Framework with pcu Topology as Turn-On Fluorescent Sensor for Al3
Shu-Li Yao1, Xue-Mei Tian1, Le-Qian Li1
1School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, Jiangxi Province, P. R. China.
Abstract:
A new metal-organic framework (MOF) {[Cd2 (bbib)2 (ndc)2 ]⋅2DMF}n (JXUST-1) (bbib=1,3-bis(benzimidazolyl)benzene, H2 ndc=1,4-naphthalenedicarboxylic acid, DMF=N,N-dimethylformamide) has been solvothermally synthesized and characterized by single-crystal X-ray diffraction, PXRD, TGA, IR and elemental analysis. JXUST-1 exhibits a three-dimensional 6-connected pcu topology with a Schläfli symbol {412 .63 } constructed by [Cd2 (CO2 )3 ] secondary building units. Fluorescence studies show that this MOF can sensitively and selectively recognize Al3+ via a fluorescence enhancement effect, and the detection limit is 0.048 ppm. Furthermore, JXUST-1 displays relatively good thermal and chemical stabilities as well as reusability. All these results suggest JXUST-1 to be a highly selective and recyclable luminescent sensing material for the detection of Al3+ .
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