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首页> 外文期刊>Organic Electronics >Fully low-temperature processed carbon-based perovskite solar cells using thermally evaporated cadmium sulfide as efficient electron transport layer
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Fully low-temperature processed carbon-based perovskite solar cells using thermally evaporated cadmium sulfide as efficient electron transport layer

机译：使用热蒸发的硫化镉作为高效电子传输层的完全低温处理的碳基钙钛矿太阳能电池

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摘要

Carbon-based perovskite solar cells aroused huge attention for their simple, low-cost device fabrication processing and excellent stability. However, the fully low-temperature preparation and flexibility of carbon-based perovskite solar cells remain huge challenges. Here we demonstrate the fabrication of carbon-based perovskite solar cells processed at fully low-temperature, which take thermally evaporated cadmium sulfide as efficient electron transport layer, and obtain an optimal power conversion efficiency of 13.22%. With the decoration of PCBM, the separation of charges at the interface is facilitated and the recombination is hindered, so a higher fill factor is obtained and the efficiency is further improved to 14.28%. Our devices also exhibit good long-term durability and excellent ultraviolet stability. Based on the fully low-temperature preparation process, carbon-based flexible devices are further developed with an optimal efficiency over 9% and considerable mechanical stability, which can serve as the roof-top photovoltaics and power sources for wearable devices.
机译：碳基钙钛矿太阳能电池以其简单，低成本的器件制造工艺和出色的稳定性而引起了广泛关注。然而，碳基钙钛矿太阳能电池的完全低温制备和柔性仍然是巨大的挑战。在这里，我们演示了在完全低温下加工的碳基钙钛矿太阳能电池的制造过程，该太阳能电池以热蒸发的硫化镉作为有效的电子传输层，并获得了13.22％的最佳功率转换效率。通过PCBM的装饰，促进了界面处电荷的分离，阻碍了复合，从而获得了更高的填充率，效率进一步提高到14.28％。我们的设备还具有良好的长期耐久性和出色的紫外线稳定性。基于完全低温的制备方法，碳基柔性器件得到了进一步的开发，其最佳效率超过9％，并且具有相当大的机械稳定性，可以用作可穿戴设备的屋顶光伏和电源。

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