Figure 5From: Nanospiral Formation by Droplet Drying: One Molecule at a TimeAFM height images of C 20 A film structures spin coated from ethanol ( a ), iso -propanol ( b ), and sec -butanol ( c ) with ~10 vol% m -cresol. The z range is 3 nm for (a) and (b) and 5 nm for (c).Back to article page