Fig. 3
(a) UV–vis and CD spectra of the free ligands and their helicates (NEt4)2[Eu2(L1R/S)4] and (b) (NEt4)2[Eu2(L2R/S)4]. (c) total emission and CPL spectra of the enantiomeric helicates (NEt4)2[Eu2(L1R/S)4] and (d) (NEt4)2[Eu2(L2R/S)4] in CH3CN (c = 1.0 × 10 −5 M).
