Formation of Hierarchical Porous Structure via Breath Figure Method

Figure 1

Spatial dependence of the porous structure obtained by BF method using PS solution (30 mg/mL). (a) Initial morphology of the PS solution drop; ((b) and (c)) the formed porous structures at the peripheral and center of the drop through breath figure method, respectively, as marked in (a).

(a)

(b)

(c)