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首页> 外文期刊>Advanced energy materials >ITO-Free, Small-Molecule Organic Solar Cells on Spray-Coated Copper-Nanowire-Based Transparent Electrodes
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ITO-Free, Small-Molecule Organic Solar Cells on Spray-Coated Copper-Nanowire-Based Transparent Electrodes

机译：喷涂式铜纳米线透明电极上不含ITO的小分子有机太阳能电池

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摘要

The great potential of solution-processed metal nanowire networks utilized as a transparent electrode has attracted much attention in the last years. Typically, silver nanowires are applied, although their replacement by more abundant and cheaper materials is of interest. Here, a hydrazine-free synthesis route for high aspect ratio copper nanowires is used to prepare conductive networks showing an enhanced electrode performance. The network deposition is done with a scalable spray-coating process on glass and on polymer foils. By a pressing or an annealing step, highly conductive transparent electrodes are obtained, and they reveal transmittance-resistance values similar to indium tin oxide (ITO) and networks made of silver nanowires. The application potential of the copper nanowire electrodes is demonstrated by integrating them into an evaporated small-molecule organic solar cell with 3% efficiency.
机译：近年来，用作透明电极的溶液处理金属纳米线网络的巨大潜力吸引了很多关注。通常，尽管需要用更丰富，更便宜的材料代替银纳米线，但仍可以使用银纳米线。在这里，用于高纵横比的铜纳米线的无肼合成路线用于制备显示出增强的电极性能的导电网络。网络沉积是通过可缩放的喷涂工艺在玻璃和聚合物箔上完成的。通过压制或退火步骤，可获得高导电性的透明电极，并且它们显示出与铟锡氧化物（ITO）和由银纳米线制成的网络相似的透射电阻值。通过将铜纳米线电极以3％的效率集成到蒸发的小分子有机太阳能电池中，证明了其应用潜力。

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