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Efficient Organic Solar Cells with Solution-Processed Silver Nanowire Electrodes

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An effective method for reducing interelectrode shorting in silver nanowire (AgNW) based organic solar cells is reported. The method is applied to standard and inverted devices based on poly(3-hexylthiophene) and [6,6]-phenyl-C61-butyric acid methyl ester. The best results are obtained using an inverted architecture with a 200 nm buffer layer of nanostructured titania (TiOx) on top of the AgNWs, yielding power conversion efficiencies of up to 3.5%.

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