Fabrication of magnetically separable fluorescent terbium-based MOF nanospheres for highly selective trace-level detection of TNT
Dalton Transactions, ISSN: 1477-9226, Vol: 43, Issue: 10, Page: 3978-3983
2014
- 92Citations
- 38Captures
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Metrics Details
- Citations92
- Citation Indexes91
- 91
- CrossRef83
- Policy Citations1
- Policy Citation1
- Captures38
- Readers38
- 38
Article Description
In this work, we present novel kinds of FeO@Tb-BTC magnetic metal-organic framework (MOF) nanospheres which possess both magnetic characteristics and fluorescent properties using a layer by layer assembly technique. The structure and morphology of the as-prepared FeO @Tb-BTC were systematically characterized and it was applied in detection of nitroaromatic explosives, such as 2,4-dinitrotoluene (2,4-DNT), 2,6-dinitrotoluene (2,6-DNT), 2-nitrotoluene (2-NT), 4-nitrotoluene (4-NT), nitrobenzene (NB) and picric acid (PA). The results indicate that the fluorescence intensity of FeO@Tb-BTC can be quenched by all analytes studied in the present work. Remarkably, the as-synthesized nanospheres exhibit high sensitivity for 2,4,6-trinitrotoluene (TNT) detection with K value of (94800 M). Besides, the magnetic nanospheres can be easily recycled, which makes it more convenient for reutilization and friendly to the environment. The results show that it has broad application prospects in the detection of nitroaromatic explosives. © 2014 The Royal Society of Chemistry.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84893934747&origin=inward; http://dx.doi.org/10.1039/c3dt52777h; http://www.ncbi.nlm.nih.gov/pubmed/24452313; https://xlink.rsc.org/?DOI=c3dt52777h; https://dx.doi.org/10.1039/c3dt52777h; https://pubs.rsc.org/en/content/articlelanding/2014/dt/c3dt52777h
Royal Society of Chemistry (RSC)
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