高效率的二进制和三进制有机太阳能电池基于新型非融合环电子接收器
Hao Lu1,2, Wenlong Liu3, Guangliu Ran4
1College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China.
Advanced materials (Deerfield Beach, Fla.)
|October 9, 2023
概括
新的非化环电子接受器显著提高有机太阳能电池 (OSC) 的性能. 一个新的2TT-C11-F接受器在二进制OSC中实现了13.03%的效率,而2TT在三进制OSC中达到19.39%.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 太阳能光伏发电是如何实现的
背景情况:
- 有机太阳能电池 (OSC) 是传统光伏的有希望的替代品,因为它们的灵活性和低成本制造.
- 开发高效的非化环电子受体对于提高OSC性能至关重要.
研究的目的:
- 设计和合成具有不同终端组和侧链的新型非化环电子受体.
- 为了研究取电子和侧基侧链对OSC性能的影响.
- 评估这些接受器在二元和三元OSC配置中的潜力.
主要方法:
- 三个非化环电子受体 (2TT,2TT-C6-F,2TT-C11-F) 的合成,具有相同的固态阻碍组.
- 使用合成的接受器制造和表征二进制和三进制有机太阳能电池.
- 对吸收光谱,能量水平,膜形态和功率转换效率 (PCE) 的分析.
主要成果:
- 2TT-C11-F显示红移吸收和合适的能量水平,导致二进制OSC PCE为13.03%.
- 2TT,当与D18:BTP-eC9-4F在三元系统中使用时,由于互补的吸收和级联能量水平,实现了显著的PCE19.39%.
- OSC的性能与电子受体的终端组和基侧链相关.
结论:
- 设计的2TT系列非化环电子受体显示出高性能OSC的巨大潜力.
- 定制电子提取和横向基侧链是优化OSC效率的有效策略.
- 该研究强调了这些材料对于二元和三元OSC应用的可行性.
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