Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 31, Pages 5533-5540Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b902663k
Keywords
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Funding
- Key Project of Chinese Ministry of Education [208016]
- Ministry of Personnel, People's Republic of China
- Department of Personnel, Hebei Province [08965110D]
- National Natural Science Foundation of China [20871040]
- Tianjin Natural Science Foundation [09JCYBJC05700]
- Hebei Natural Science Foundation [B2009000013]
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Herein we report a facile method to prepare highly luminescent soft materials based on task-specific ionic liquids which can solubilize lanthanide oxides and the organic ligand. The luminescent soft materials are obtained by directly dissolved lanthanide oxides and organic ligand (2-Thenoyltrifluoroacetone (TTA), 1, 10-phenanthroline (Phen)) into carboxyl-functionalized ionic liquid aided with an appropriate amount of water. FT-IR, TGA and luminescence spectroscopy were employed to characterize the lanthanide-containing ionic liquids. Up to 25 mol% lanthanide ions (i.e., the molar ratio of IL/Ln(3+) = 3:1) can be incorporated into the task-specific ionic liquids. Optical properties of the soft materials such as colour, luminescence can be adapted by simply changing the type of lanthanide ions and/or adding to organic ligand.
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