Fig. 2. Electron microscopy of D65/35: (a) TEM image; (b) SEM image of the cryo-fracture surface; SEM images of the dichloromethane-etched surface: (c) etched for 1 min; (d) etched for 3 min.
Fig. 2. Electron microscopy of D65/35: (a) TEM image; (b) SEM image of the cryo-fracture surface; SEM images of the dichloromethane-etched surface: (c) etchedfor 1 min; (d) etched for 3 min.