Stable luminescent metal-organic frameworks as dual-functional materials to encapsulate ln(3+) ions for white-light emission and to detect nitroaromatic explosives.
Inorg Chem
; 54(7): 3290-6, 2015 Apr 06.
Article
en En
| MEDLINE
| ID: mdl-25768042
ABSTRACT
A stable porous carbazole-based luminescent metal-organic framework, NENU-522, was successfully constructed. It is extremely stable in air and acidic/basic aqueous solutions, which provides the strategy for luminescent material encapsulation of Ln(3+) ions with tunable luminescence for application in light emission. More importantly, Ln(3+)@NENU-522 can emit white light by encapsulating different molar ratios of Eu(3+) and Tb(3+) ions. Additionally, Tb(3+)@NENU-522 is found to be useful as a fluorescent indicator for the qualitative and quantitative detection of nitroaromatic explosives with different numbers of -NO2 groups, and the concentrations of complete quenching are about 2000, 1000, and 80 ppm for nitrobenzene, 1,3-dinitrobenzene, and 2,4,6-trinitrophenol, respectively. Meanwhile, Tb(3+)@NENU-522 displays high selectivity and recyclability in the detection of nitroaromatic explosives.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Compuestos Organometálicos
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Elementos de la Serie de los Lantanoides
/
Sustancias Explosivas
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Luz
/
Nitrocompuestos
Tipo de estudio:
Qualitative_research
Idioma:
En
Año:
2015
Tipo del documento:
Article