297564.fig.006a
297564.fig.006b
Figure 6: UV-Vis (A) and circular dichroism (CD) (B) spectra of 40-layer o-NpSB LB films transferred from pure water surface (a) and 1.0 mM aqueous Cu(Ac)2 subphase (b and b′ represent the spectra for the film fabricated in different batches).