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

Figure 10

The transient absorption decay kinetics of a P3HT : PCBM (1 : 1) blend film and a similar blend containing 1.0 wt.% of either B- or N-CNTs obtained as a function of laser excitation density with a pump wavelength of 540 nm and a probe wavelength of 950 nm.