Figure 2

Top-view SEM images of (a) PVA-CIG and (b) EC-CIG films. (c,d) Agglomerated part (a red cross in c) and non-agglomerated part (a red cross in d) of an EC-CIG film. EDX was conducted at a red cross point.

Top-view SEM images of (a) PVA-CIG and (b) EC-CIG films. (c,d) Agglomerated part (a red cross in c) and non-agglomerated part (a red cross in d) of an EC-CIG film. EDX was conducted at a red cross point.