We numerically investigate the effect of sunlight polarization on the absorption efficiency of V-shaped organic solar cells (VOSCs) using the finite element method (FEM). The spectral distribution of absorbance and the spatial distribution of power dissipation are calculated as a function of the folding angle for s-and p-polarized light. The absorption enhancement caused by the light-trapping effect was more pronounced for s-polarized light at folding angles smaller than <TEX>$20^{\circ}$</TEX>, where s-polarized light has a relatively larger reflectance than p-polarized light. On the other hand, the absorption efficiency for p-polarized light is relatively larger for folding angles larger than <TEX>$20^{\circ}$</TEX>, where the smaller reflectance at the interface of the VOSC is more important in obtaining high absorption efficiency.

© 2014 Optical Society of Korea

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