具有不同腔径的皇冠乙烯抑制离子迁移,并使缺陷向高效和稳定的合物洛夫斯基特太阳能电池中被动化
Jianxin Yu1, Gang Xie1, Sisi Zheng1
1College of Chemistry and Materials/Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang 330022, China.
ACS nano
|August 8, 2024
概括
两个皇冠衍生物PC15和PC12通过调节结晶,消极缺陷和抑制离子迁移来提高矿太阳能电池的性能. 这种协同效应将效率提高到24.8%,并提高了设备的稳定性.
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:
- 有机-无机混合金属化物矿太阳能电池是下一代光伏的前景.
- 矿缺陷和Li+离子迁移限制功率转换效率和设备稳定性.
研究的目的:
- 设计和合成皇冠衍生物 (PC12和PC15) 用于矿太阳能电池改进.
- 研究PC12和PC15对矿结晶,缺陷被动化和离子迁移的协同作用.
主要方法:
- 用于选择性阴离子结合的不同腔径的皇冠衍生物的设计.
- 将PC15纳入矿前体溶液进行散装修改.
- 在表面修改的矿/孔输送层接口上应用PC12.
- 设备制造和功率转换效率和稳定性的表征.
主要成果:
- PC15有效调节核化和结晶,使无协调的Pb2+离子被动化.
- PC12抑制了Li+离子迁移,并减少了界面上的非辐射重组损失.
- PC12和PC15的协同应用导致冠军功率转换效率为24.8%.
结论:
- PC12和PC15作为"滑剂",缺陷被动剂和离子迁移抑制剂协同作用.
- 开发的战略显著提高了矿太阳能电池的效率和稳定性 (湿度,热量,光).
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