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. Author manuscript; available in PMC: 2009 Jan 21.
Published in final edited form as: Chem Commun (Camb). 2007 Jun 28;(35):3676–3678. doi: 10.1039/b704346e

Fig. 1.

Fig. 1

5D0 ← 7F0 excitation spectra of the Eu–(R,R)-1 solutions at various Eu : 1 ratios (1 : 1, 1 : 2, 1 : 3 and 1 : 5 from bottom to top) in MeCN at 295 K. The Eu(III) concentration was 6.67 × 10−3 M. The luminescence was monitored at 615.6 nm.