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

Figure 6

SEM images of the samples prepared with different volume ratios of EDA to water: 1 : 5 (a), 1 : 1 (b), and 5 : 1 (c).

(a)

(b)

(c)