Hole-Transporting Layer Treatment of Planar Hybrid n-Si/PEDOT:PSS Solar Cells with Power Conversion Efficiency up to 14.5%

Figure 4

AFM images of PEDOT:PSS films annealed at (a) 160°C and (b) 190°C. (c) RMS value variation of PEDOT:PSS films with the different annealing temperatures.

(a)

(b)

(c)