A Simple and Facile Solvothermal Synthesis of Hierarchical PbS Microstars with Multidendritic Arms and Their Optical Properties

Figure 7

SEM images of the samples prepared at different volume ratios of EDA to EA: 0 : 1 (a), 1 : 1 (b), 2 : 1 (c), and 5 : 1 (d).

(a)

(b)

(c)

(d)