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Preparation of photovoltaic cells from sexithiophene-C60 blends

机译:由六噻吩-C60共混物制备光伏电池

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Abstract: Large photovoltaic responses have been recently observed in devices based on conjugated polymer-C$-60$/ blends. Their enhanced performance, which relies on the formation of a bicontinuous network of donor-acceptor heterojunctions, is very sensitive to the morphology of the blend. In this paper, we propose sexithiophene-C$-60$/ blends, prepared by coevaporation, as a model system for the study of these devices. Preliminary results suggest a microphase-separated morphology with a domain size comparable to the exciton diffusion length. A photovoltaic device with quantum efficiency of 1% is demonstrated.!25
机译:摘要:最近在基于共轭聚合物-C $ -60 $ /共混物的器件中观察到了较大的光伏响应。它们的增强性能依赖于供体-受体异质结的双连续网络的形成,对混合物的形态非常敏感。在本文中,我们提出了通过共蒸发制备的六噻吩-C $ -60 $ /混合物,作为研究这些装置的模型系统。初步结果表明,微相分离的形态具有与激子扩散长度可比的畴尺寸。展示了量子效率为1%的光伏器件!! 25

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