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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Chen, Di-Ming Zhang, Nan-Nan Du, Miao Liu, Chun-Sen |
| Copyright Year | 2017 |
| Abstract | A flexible bidentate polyaromatic acid ligand 4,4′-oxybis(benzoic acid) (H2oba) was used for the construction of a novel luminescent Tb(III)-based metal–organic framework (MOF), namely {(Me2NH2)[Tb(OBA)2]·(Hatz)·(H2O)1.5}n, with 3-amino-1,2,4-triazole (Hatz) as the template reagent. In the structure of the Tb-MOF, there co-exist single-stranded and double-stranded helical chains along the c axis, and the overall network shows a three-fold interpenetrated qtz net. This MOF is capable of selectively sensing Fe3+ and Al3+ ions in water via quenching the luminescence and tuning the emission ratio between the ligand-based and metal-based luminescence, respectively. More importantly, this MOF can realize fast detection for p-xylene (PX) vapor with a response time of less than 10 s and 40% fluorescence enhancement, while nitrobenzene (NB) vapor could lead to a quenching effect in 10 min with a 75% quenching efficiency. Remarkably, this is the first example of a multi-responsive luminescent Tb-MOF sensor for Fe3+ and Al3+ ions and VOC vapor detection. In connection to these, the probable sensing mechanisms were also discussed in this paper. |
| Starting Page | 2311 |
| Ending Page | 2317 |
| Page Count | 7 |
| File Format | HTM / HTML PDF |
| ISSN | 20507526 |
| Volume Number | 5 |
| Issue Number | 9 |
| Journal | Journal of Materials Chemistry C |
| DOI | 10.1039/c6tc05349a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | MOF NB Hatz Denticity Acid Ligand Properties of water 3-Amino-1 4-triazole Reagent Luminescence P-Xylene Fluorescence Nitrobenzene Volatile organic compound |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Materials Chemistry |
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