Carrier Formation Dynamics of Organic Photovoltaics as Investigated by Time-Resolved Spectroscopy

<table>Temporal evolutions of PIAs of F8T2/PC<sub>70</sub>BM blend film due to D*, CT state, and D<sup>+</sup>: (a) fast region and (b) slow region. Solid curves in (a) are results of least-squares fitting with exponential functions: <svg height="16.4125" id="M74" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 416.8125 16.4125" width="416.8125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> is fixed at 0 in the PIA due to D<sup>+</sup>.</table>

Advances in Optical Technologies

fig11

Figure 11

Figure 11: Carrier Formation Dynamics of Organic Photovoltaics as Investigated by Time-Resolved Spectroscopy 