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

<table>Absorption (OD) spectra and differential absorption (<svg height="11.425" id="M56" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.025 11.425" width="11.025" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,11.363)"><path d="M600 0h-557v24l268 633l28 8l261 -641v-24zM497 50l-194 489l-196 -489h390z" id="x394"></path></g>
</svg>OD) spectra of (a) neat F8T2 film and (b) F8T2/PC<sub>70</sub>BM blend films at 300 K. Star symbols indicate an artificial structure due to the notch filter at 800 nm.</table>

Advances in Optical Technologies

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Figure 7

Figure 7: Carrier Formation Dynamics of Organic Photovoltaics as Investigated by Time-Resolved Spectroscopy 