A luminescent Eu-based MOFs material for the sensitive detection of nitro explosives and development of fingerprint
Inorganic Chemistry Communications, ISSN: 1387-7003, Vol: 156, Page: 111267
2023
- 13Citations
- 7Captures
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Article Description
Rapid detection of explosives and fingerprint development are of great significance to the detection of cases. Lanthanide metal–organic framework materials (Ln-MOFs) not only have various structures, but also have unique luminescence properties, which is a promising fluorescence sensing material. Herein, a strong red fluorescent Eu-MOFs ([Eu 3 ( μ 3 -OH)(NDC) 3 (HCOO) 3 )] which were assembled by a 12-linked secondary unit ([Eu 3 ( μ 3 -OH)(COO) 6 ] with a linear dicarboxylic acid ligand H 2 NDC (2,6-naphthalic acid) was selected as a chemical sensor to selectively detect common nitro explosives through the phenomenon of fluorescence quenching. The results showed that the Eu-MOF exhibited high selectivity and sensitive fluorescence quenching response to picric acid (PA), and could be reused after being washed with ethanol. In addition, the strong fluorescence of Eu-MOF powder leads to its application in developing sweat-sebum latent fingerprints on different impermeable surfaces successfully via the powder dusting method. Therefore, it is expected to play an nonnegligible role in the investigation and trial.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S1387700323008791; http://dx.doi.org/10.1016/j.inoche.2023.111267; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85169476274&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S1387700323008791; https://dx.doi.org/10.1016/j.inoche.2023.111267
Elsevier BV
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