Novel "Turn-On" Fluorescent Probe for Highly Selectively Sensing Fluoride in Aqueous Solution Based on Tb-Functionalized Metal-Organic Frameworks.

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ID: 27259
2018
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Abstract
A Zr-based metal-organic framework (Zr-MOF) which has free carbonyl groups is synthesized successfully through mix-ligand strategy. Subsequently, Tb is encapsulated into a Zr-MOF by postcoordinated modification. The Tb@Zr-MOF exhibits the characteristic emission of Tb because of efficient sensitization through antenna effects. The Tb@Zr-MOF is further developed as a novel "turn-on" fluorescent probe to detect fluoride ions in aqueous solution. The results show that Tb@Zr-MOF exhibits excellent selectivity, high stability, low detection limits, and good anti-interference for sensitizing fluoride ions. In addition, the possible sensing mechanism that the induced luminescence properties may be attributed to Lewis acid-base interactions is discussed.
Reference Key
zheng2018novelacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zheng, Hao-Yang;Lian, Xiao;Qin, Si-Jia;Yan, Bing;
Journal ACS omega
Year 2018
DOI
10.1021/acsomega.8b02134
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