297564.fig.009a
(a)
297564.fig.009b
(b)
Figure 9: AFM pictures of the one-layer in situ Cu(II)-coordinated o-NpSB LB film deposited on Cu(II) ions subphase (a) and the complex Cu(o-NpSB) LB film fabricated on water surface (b) at a surface pressure of 15 mN/m, respectively.