Citation:
Xin Zhen DU, Jin Zhang GAO, Qun XIE, Jing Wan KANG. STUDIES ON FLUORESCENCE SPECTRA OF SAMARIUM EUROPIUM TERBIUM AND DYSPROSIUM WITH BENZOYL UREA DERIVATIVES AND PHENANTHROLINE[J]. Chinese Chemical Letters,
;1993, 4(11): 989-992.
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Rare earth chelates of benzoyl urea derivatives were prepared in ethanol and fluorescence spectra of these chelates were studied in detail. A composition of[RE (BU) 3Phen] (NO3)3 was obtained. Correlation between chemical properties of ligands, chelates and spectroscopy was discussed. Intramolecular energy transfer in rare earth chelates was explained.
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