Semitransparent Polymer Solar Cells Based on Liquid Crystal Reflectors

<table>UV-vis absorption spectra of P3HT : PC<sub>71</sub>BM (1 : 1) thin film <svg height="5.7375002" id="M2" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 5.7375002" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,5.675)"><path d="M548 311q-21 -57 -59 -94t-89 -37q-53 0 -128 52q-55 38 -84 38q-39 0 -70.5 -23t-45.5 -60l-32 12q21 57 59 94t89 37q53 0 128 -52q55 -38 84 -38q39 0 70.5 23t45.5 60z" id="x223C"></path></g>
</svg>100-nm thick, which was formed using a mixed CB/CF solution (Vol/Vol <svg height="6.4625001" id="M3" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 6.4625001" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,6.4)"><path d="M535 323h-483v50h483v-50zM535 138h-483v50h483v-50z" id="x3D"></path></g>
</svg> 3/1) as the solvent and annealed at 130°C for 20 min.</table>

International Journal of Photoenergy

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Figure 1

Figure 1: Semitransparent Polymer Solar Cells Based on Liquid Crystal Reflectors 