Improving the performance of photovoltaic cells based on nanocomposites with contorted polycyclic aromatic hydrocarbon additive in bulk heterojunction

Cocrystal formation due to a combination between 4Cl-cHBC and bulk heterojunction for improving the efficiency. The power conversion efficiency of a device using the 4Cl-cHBC additives is 9.46%, which is 20.6% higher than that of a reference device.

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