V. D. Mihailetchi, L. J. A. Koster, P. W. M. Blom, C. Melzer, B. de Boer, J. K. J. van Duren and R. A. J. Janssen Compositional Dependence of the Performance of Poly(p-phenylene vinylene):Methanofullerene Bulk-Heterojunction Solar Cells Advanced Functional Materials 15
The performance of polymer–fullerene bulk-heterojunction solar cells has been investigated as a function of fullerene content. Electron and hole mobilities were measured separately in the blend (see Figure). The maximum power conversion efficiency is achieved at a high fullerene fraction, where light harvesting is less effective, which is explained using numerical simulations including the measured electron and hole mobilities.
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