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升级C60用于高效和可重复的矿基太阳能电池.

Ahmed A Said1, Erkan Aydin2, Esma Ugur3

  • 1King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Science and Engineering Division (PSE), Thuwal, 23955-6900, Kingdom of Saudi Arabia. ahmedali.ahmed@kaust.edu.sa.

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概括
此摘要是机器生成的。

在C60电子运输层中的杂质会导致矿太阳能电池的性能问题. 通过升华净化C60可确保矿光伏和联太阳能电池的可重现的高性能.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 太阳能光伏发电是如何实现的
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 富勒,特别是C60,是矿太阳能电池中的关键电子传输层.
  • 可复制性对于矿光伏技术的工业化至关重要.

研究的目的:

  • 调查C60原材料质量对矿太阳能电池性能可重复性的影响.
  • 为了确定在重复制造设备时性能下降的原因.

主要方法:

  • 具有不同纯度水平的C60的热蒸发.
  • 矿太阳能电池和矿/双联太阳能电池的制造和表征.
  • 对C60材料特性和矿设备性能指标的分析.

主要成果:

  • 商用C60 (99.75%纯度) 在由于氧杂质的反复热蒸发过程中凝聚,导致深度状态和太阳能电池性能降低.
  • 将C60的升华净化到99.95%可以防止凝聚,从而使设备的性能完全可复制.
  • 使用纯化C60制造的矿/双联太阳能电池在八个重复过程中保持了高开通电压 (1950mV) 和填充因子 (81%),其中一个电池实现了30.9%的功率转换效率.

结论:

  • C60中的氧杂质对矿太阳能电池的可再生性有害.
  • 升华是C60的关键净化步骤,以确保在规模化的矿光伏制造中保持一致的性能.
  • 高性能和可重复的矿太阳能电池可以用纯化的C60实现,为工业化铺平了道路.