Figure 4

The FESEM cross-section image of (a) SnS.glass.0°, (b) SnS.FTO.0°, (c) SnS.ITO.0°, (d) SnS.glass.65°, (e) SnS.FTO.65°, (f) SnS.ITO.65°, (g) SnS.glass.85°, (h) SnS.FTO.85°, (i) SnS.ITO.85°, (The insets are the top view of the FESEM images and the particles size histograms).