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一个循序渐进的化聚合分子用于疏水性粒度封装矿太阳能电池

Riming Sun¹, Shaoyu Chen¹, Qingyun He¹

¹Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM) & School of Flexible Electronics (Future Technologies), Nanjing Tech University (Nanjing Tech), Nanjing, Jiangsu, 211816, China.

Advanced materials (Deerfield Beach, Fla.)

|November 13, 2024

概括

一种新型分子通过形成保护性疏水层来增强矿太阳能电池的稳定性,克服了降解问题. 这一突破提高了效率,并使水下运行强大,为商业化铺平了道路.

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:

矿太阳能电池 (PSC) 面临着重大稳定性挑战,尽管效率提高,但阻碍了商业化.
湿度诱导的降解是基于FAPbI3的PSC的主要关注点.

研究的目的:

制定战略,以提高FAPbI3矿太阳能电池的稳定性和商业可行性.
为了解决湿度引起的退化,并提高运行寿命.

主要方法:

一个阶段性化聚合分子 (SMPM) 被设计为FAPbI3矿的添加剂.
在回火过程中,SMPM经历融化,谷物边界溢出和自我聚合,形成疏水性封装.
矿结晶,重组,能量水平和设备性能的表征.

主要成果:

在FAPbI3 PSC中,SMPM添加剂改善了结晶,减少了非辐射重组,并使能量水平保持一致.
实现的功率转换效率为25.21% (小面积) 和22.94% (1厘米2).
在2000小时以上的T95%稳定性下,在85%的相对湿度下,以及在没有外部封装的情况下,在水下显著的操作稳定性.

结论:

通过防水封装,SMPM战略有效地减轻了湿度诱导的降解.
SMPM提供了一种可持续的解决方案,以提高PSC的稳定性和解决环境问题.
这种方法显著提升了矿太阳能电池的商业化前景.

关键词:

在现场聚合.交叉链接 - 交叉链接在粒度尺度上封装.湿度稳定性湿度稳定性矿太阳能电池是如何使用的

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