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一个经过水处理的中等尺度结构使18.5%高效的二进制层对层有机太阳能电池成为可能.

Chen Xie1, Hui Huang1, Zijian Li1

  • 1College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, China.

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|January 11, 2024
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概括

这项研究介绍了一种环保的,基于水的纳米粒子墨水,用于制造高性能有机太阳能电池 (OSC),使用层次 (LBL) 方法. 新方法提高了效率,并解决了OSC生产中有毒溶剂的局限性.

关键词:
环保的水处理方式.一层一层的加工加工.纳米粒子中介尺度结构结构有机太阳能电池是有机太阳能电池.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 可再生能源可再生能源是可再生能源.

背景情况:

  • 层层沉积 (LBL) 对于高性能有机太阳能电池 (OSC) 是非常重要的,因为垂直相位分离.
  • 目前用于OSC的LBL方法面临有毒溶剂和混合问题的挑战,阻碍了商业化.

研究的目的:

  • 为LBL OSCs开发一个环保的,基于水的纳米粒子 (NP) 墨水.
  • 通过控制形态来提高LBL OSC的性能和可处理性.

主要方法:

  • 使用以水为基础的捐赠聚合物NP墨水制造一个中等尺度结构.
  • 通过使用非氧烯的受体溶液透中层层结构.
  • 由此产生的有机太阳能电池的特征.

主要成果:

  • 在基于PM6:L8-BO的LBL OSC中实现了18.5%的优异功率转换效率.
  • 在开发的 meso-LBL 设备中,证明了电荷载体的增强移动性和减少陷状态.
  • 通过中等尺度结构优化垂直形态.

结论:

  • 基于水的NP墨水和中尺度结构策略为LBL OSC制造提供了一个有希望的,环保的替代方案.
  • 这些发现为工业生产高效和可持续的有机太阳能电池铺平了道路.
  • 在OSC制造中减少对有毒溶剂的依赖.