为高性能单连接和联矿太阳能电池设计的合理设计的通用消极器
Zuolin Zhang1, Yinsu Feng1, Jike Ding1
1State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China.
Nature communications
|January 17, 2025
概括
一种新的分子消极剂,L-氨酸乙乙p-toluenesulfonate (VBETS),通过减少缺陷来增强矿太阳能电池 (PSC). 这导致单连接和联PSC设备的功率转换效率创纪录.
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.
- 太阳能光伏发电是如何实现的
背景情况:
- 由于金属化物矿太阳能电池 (PSC) 的缺陷导致的界面重组限制了它们的效率和稳定性.
- 开发有效的被动化策略对于推进PSC技术至关重要.
研究的目的:
- 为高效和稳定的单节和并联PSC设计和实施通用受动器.
- 调查分子结构的作用,特别是原子数和固体阻碍,在缺陷被动化中的作用.
主要方法:
- 一个分子受动器的合理设计,L-氨酸基乙烯 Ester p-toluenesulfonate (VBETS).
- 在反向PSC和矿/双联太阳能电池中应用VBETS.
- 利用真空闪光处理技术用于设备制造.
- 通过阴离子和阴离子的协同作用来研究缺陷被动化,由原子和固体阻碍调节.
主要成果:
- 经过VBETS修改的倒置PSC实现了26.28%的功率转换效率 (PCE).
- 大面积模块 (32.144平方厘米) 的PCE为21.00%.
- 矿/双联太阳能电池与VBETS被动化达到了30.98%的PCE.
- 观察到最小化的界面能量损失和抑制的载体重组.
结论:
- 开发的VBETS被动器有效地解决了接口缺陷,大大提高了PSC的性能.
- 精确控制分子设计,包括原子数和固态阻碍,是优化PCE和稳定性的关键.
- 这项工作为开发下一代高效矿太阳能电池提供了途径.
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