Figure 2
From: Assembly of gold nanoparticles into aluminum nanobowl array
(a) A typical SEM image of Al nanobowl array (V AAO = 40 V) and the inset is a 2D AFM image. The scale bars are both 200 nm. (b) 3D AFM image of the Al nanobowl array (V AAO = 40 V). (c,d) Cross-section analysis along the dash and solid lines in the inset of (a), respectively.
