Organic Solar Cells with Boron- or Nitrogen-Doped Carbon Nanotubes in the P3HT : PCBM Photoactive Layer

Figure 8

AFM film images of (a) P3HT : PCBM, (b) 114.2 nm thick film of P3HT/N-CNTs :  PCBM, and (c) 278.6 nm thick film of P3HT/N-CNTs : PCBM.

(a)

(b)

(c)