809028.fig.004a
(a)
809028.fig.004b
(b)
Figure 4: Normalized luminescence spectra of H2tph, Eu2(tph)3(H2O)4(I), Tb2(tph)3(H2O)4(II), H2nda, Eu2(nda)3(H2O)6(III) and Tb2(nda)3(H2O)6(IV) (  nm).