MAGNETIC CIRCULARLY POLARIZED LUMINESCENCE AS A PROBE OF LANTHANIDE COMPLEX FORMATION AND STRUCTURE IN $SOLUTION^{\ast}$

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1982

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Ohio State University

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Abstract

Magnetic circularly polarized luminescence (MCPL) is the emission analogue of magnetic circular dichroism (MCD), and it probes similar aspects of molecular structure. In this report, we present MCPL spectra for a variety of europium(III) chelate systems in solution media, and show how these spectra can be used to elicit structural information about the chelates and their solvent adducts. Spectra are also reported for a series of $Eu^{3+}$/ligand systems in aqueous solution, and the pH-dependence of the MCPL is interpreted in terms of complex formation and structure.

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$^{\ast}$This work was supported by the National Science Foundation (NSF Grant CHE80-04209).

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