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- Title
Two Unusual Nanocage-Based Ln-MOFs with Triazole Sites: Highly Fluorescent Sensing for Fe<sup>3+</sup> and Cr<sub>2</sub>O<sub>7</sub><sup>2−</sup>, and Selective CO<sub>2</sub> Capture.
- Authors
Liu, Jian‐Qiang; Li, Gao‐Peng; Liu, Wei‐Cong; Li, Qing‐Lin; Li, Bao‐Hong; Gable, Robert W.; Hou, Lei; Batten, Stuart R.
- Abstract
Luminescent metal-organic frameworks (LMOFs) containing fluorescent probes for the detection of pollutants such as organic solvents and heavy metals are becoming increasingly important, with lanthanide-MOF (Ln-MOF) materials receiving greater attention owing to the possibility of achieving fine-tuned luminescent properties. Herein, two unusual isostructural nanocage-based three-dimensional Ln-MOFs, 1-Ln (Ln=Tb, Eu), are constructed, using a new diisophthalate ligand with active Lewis basic triazole sites. Selective gas adsorption, especially the removal of CO2 from CH4, a primary component of natural gas and biogas, is desirable in terms of both economic and environmental considerations. 1-Eu is found to exhibit highly efficient luminescent sensing for Fe3+ cations and Cr2O72− anions, as well as selective CO2 capture over CH4.
- Subjects
METAL-organic frameworks; RARE earth metal compounds; IRON ions; CHROMIUM oxide; FLUORESCENCE; CARBON dioxide adsorption; CARBON sequestration
- Publication
ChemPlusChem, 2016, Vol 81, Issue 12, p1299
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.201600289