基于TVT的新建筑块,具有增强的π电子移位,用于高效的非化光伏接收器
Junzhen Ren1,2, Shaoqing Zhang3, Huixue Li3
1State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular, Sciences CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences, Beijing, 100190, China.
Small methods
|November 9, 2024
概括
研究人员开发了一种新的有机太阳能电池 (OSC) 接受器,ATVT-BO,使用三甲替代 (E) -1,2-di(thiophen-2-yl) 乙烯 (TVT) 核心. 这种设计提高了性能,实现了低成本有机太阳能电池的14.8%的功率转换效率.
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:
- 高成本阻碍了大型有机太阳能电池 (OSC) 制造和工业化.
- 开发具有简化合成的低成本光伏材料至关重要.
研究的目的:
- 为具有成本效益的OSC设计和合成一种全新的,完全非接接收器 (ATVT-BO).
- 将ATVT-BO与控制接受器 (A4T-BO) 进行比较,以了解结构-属性关系.
主要方法:
- 合成的ATVT-BO和A4T-BO接受器.
- 进行理论计算和实验测量.
- 使用 PTVT-T:ATVT-BO 和 PTVT-T:A4T-BO 主动层制造和测试的 OSC 设备.
主要成果:
- 与A4T-BO相比,ATVT-BO表现出增强的分子平面性,降低的芳香性和改进的π电子移位.
- ATVT-BO显示红移光学吸收和优越的电子移动性.
- 使用PTVT-T:ATVT-BO的设备实现了14.8%的功率转换效率,超过了PTVT-T:A4T-BO.
结论:
- 该TVT单元是有效的设计低成本的聚合物捐赠器和完全非化接受器.
- ATVT-BO的分子设计和包装促进了OSC中高效的电荷运输.
- 这项工作为有机太阳能电池中的新型,低成本的光活性材料开辟了道路.
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