Zeolitic imidazolate framework-8 as a luminescent material for the sensing of metal ions and small molecules

Zeolitic imidazolate framework-8 as a luminescent material for the sensing of metal ions and small molecules

We present a rare example of Zeolitic Imidazolate Framework-8 (ZIF-8), Zn(MeIM)2[round bullet, filled](DMF)[round bullet, filled](H2O)3, as luminescent probes with multi-function sensitivity to detect metal ions and small molecules. Our results show that the luminescence intensity of ZIF-8 is strong...

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Veröffentlicht in:Journal of materials chemistry 2011-01, Vol.21 (18), p.6649-6653
Hauptverfasser: Liu, Shuang, Xiang, Zhonghua, Hu, Zan, Zheng, Xiaoping, Cao, Dapeng
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Sprache:eng
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Acetone
Bullets
Luminescence
Metal ions
Projectiles
Recognition
Sensors
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container_end_page 6653
container_issue 18
container_start_page 6649
container_title Journal of materials chemistry
container_volume 21
creator Liu, Shuang
Xiang, Zhonghua
Hu, Zan
Zheng, Xiaoping
Cao, Dapeng
description We present a rare example of Zeolitic Imidazolate Framework-8 (ZIF-8), Zn(MeIM)2[round bullet, filled](DMF)[round bullet, filled](H2O)3, as luminescent probes with multi-function sensitivity to detect metal ions and small molecules. Our results show that the luminescence intensity of ZIF-8 is strongly sensitive to Cu2+ and Cd2+ ions and small molecules such as acetone. In particular, the luminescence intensity of desolvated ZIF-8 proportionally decreases to the concentration of Cu2+, while increases to the concentration of Cd2+ owing to the recognition of element-imidazole nitrogen sites. The luminescence intensity increases gradually with the increase of amounts of acetone in the standard desolvated ZIF-8-emulsions. These results reveal that the ZIFs might be a good luminescent sensor for metal ions and small molecules.
doi_str_mv 10.1039/c1jm10166h
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Acetone
Bullets
Luminescence
Metal ions
Projectiles
Recognition
Sensors
title Zeolitic imidazolate framework-8 as a luminescent material for the sensing of metal ions and small molecules
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