Energy-transfer luminescence of lanthanide ions encapsulated in sensitizer-modified calix[4]arenes
作者： Nariaki Sato , Seiji Shinkai
DOI: 10.1039/P29930000621
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摘要: To induce the light-emitting properties of Tb3+ and Eu3+, calix[4]arenes bearing three amide groups (composing a metal-binding site) one sensitizer group (phenacyl or diphenacylcarbonyl group) on lower rim have been synthesized. The high luminescence quantum yields (φ= 0.27 for 0.061 Eu3+) were attained by both metal-encapsulation effect selection with proper energy gap. possible energy-transfer mechanisms from to encapsulated metal ions are discussed.
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