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- W2019949060 abstract "We report electroluminescence (EL) in photovoltaic (PV) cells based on semiconducting polymer-fullerene composites. By applying a forward bias to the PV cells, the devices exhibited a clear EL action with a peak around 1.5 eV. We ascribe this peak to an “electric field-assisted exciplex” formed between the electrons in the fullerenes and the holes in the polymers, thereby resulting in radiative recombination in the composites. This finding is totally unexpected because of a strong photoluminescence quenching in the same materials. Since the same devices also showed typical photovoltaic effects under illumination, our results demonstrate a dual functionality in one device; polymer photovoltaic cells and polymer light-emitting diodes." @default.
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- W2019949060 date "2005-05-02" @default.
- W2019949060 modified "2023-10-16" @default.
- W2019949060 title "Electroluminescence in polymer-fullerene photovoltaic cells" @default.
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- W2019949060 doi "https://doi.org/10.1063/1.1924869" @default.
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