Review Article
Carrier Formation Dynamics in Prototypical Organic Solar Cells as Investigated by Transient Absorption Spectroscopy
Figure 14
, , and per an absorbed photon against the delay time in PTB7 (100 nm)/C70 (25 nm) bilayer film at (a) 300 K and (b) 80 K. Adjacent averages were plotted in . The solid curves are results of the least-squares fittings with exponential functions.
(a) |
(b) |