New Microporous Polymer Electrolyte Based on Polysiloxane Grafted with Imidazolium Iodide Moieties for DSSC

Figure 3

SEM images of polymer membranes PVDF/IL-SiO₂ (1/1). (a) the weight ratio of PVDF/IL-SiO₂ is 9/1. (b) the weight ratio of PVDF/IL-SiO₂ is 8/2. (c) the weight ratio of PVDF/IL-SiO₂ is 7/3. (d) the weight ratio of PVDF/IL-SiO₂ is 6/4. (e) the weight ratio of PVDF/IL-SiO₂ is 5/5. (f) the weight ratio of PVDF/IL- SiO₂ is 4/6.

(a)

(b)

(c)

(d)

(e)

(f)