对高效和稳定的Sn-Pb矿太阳能电池进行竞争协调诱导的结晶法规
Cheng Li1, Mingzhe Zhu1, Shuming Zhang1
1College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P.R. China.
Angewandte Chemie (International ed. in English)
|March 28, 2025
概括
甲基5-氨基levulinate化 (5-AH) 添加剂平衡了基于Sn和Pb的矿结晶率. 这提高了片质量,减少了重组,提高了设备的效率和稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
- 可再生能源可再生能源是可再生能源.
背景情况:
- 在Sn-Pb矿中不平衡的结晶率会导致薄膜缺陷和性能差.
- 选择性分子相互作用提供了一个平衡结晶的策略.
- 需要更深入地了解前体解决方案中的协调机制.
研究的目的:
- 调查甲基5-氨基诺氨酸化物 (5-AH) 与SnI2和PbI2.2的竞争协调.
- 阐明由5-AH调节结晶率的机制.
- 为了提高Sn-Pb矿太阳能电池的效率和稳定性.
主要方法:
- 热力学和分子轨道理论被用来研究添加式协调.
- 分析了5-AH,SnI2和PbI2.2之间的竞争协调.
- 带有和没有5AH的矿太阳能设备的制造和表征.
主要成果:
- 5-AH优先与SNI2协调,形成稳定的SNI2-5-AH添加物.
- 这种协调平衡了基于Sn和Pb的矿的结晶率.
- 观察到改善的薄膜均性,减少非辐射重组,并抑制了Sn2+氧化.
- 最佳设备实现功率转换效率 (PCE) 为23.76%并提高了稳定性.
结论:
- 5-AH通过选择性协调有效地调解了Sn-Pb矿结晶.
- 该添加剂增强了薄膜质量,抑制了重组,并提高了设备性能.
- 这一战略为开发高效和稳定的Sn-Pb矿太阳能电池提供了一条途径.
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