Abstract
Four new binucleating symmetric bis(4-pyridine-2,6-dicarboxylic acids) have been synthesized and luminescence enhancement of their EuIII complexes by YIII ions observed. The results indicate that the mechanism of enhancement is based on the formation of a polymeric structure where EuIII ions and YIII ions are linked together by the ligands with the consequent transfer of absorbed energy along the polymer chain through several ligands toward the EuIII ion. The mechanism of energy transfer is probably different from the previously reported micellar co-luminescence where energy transfer occurs via the Forster dipole–dipole mechanism.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 2
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