Time-dependent growth morphology of Ag nanosheets. Cross-sectional SEM images of Ag nanosheets with deposition times of (a) 20, (b) 40, (c) 70, and (d) 120 min. (e) Enlarged top-view SEM image of the specimen shown in (c). (f) Schematic diagram of illustrating the growth of hexagonal nanosheets. (The insets denote the top-view SEM images.).
Park et al. Nanoscale Research Letters 2013 8:248 doi:10.1186/1556-276X-8-248