在2D/3D矿太阳能电池中用于增强接口被动化的循环基联体的空间原子排列
Yonghoon Jung1, Seong Ho Cho1, Seongheon Kim1
1Department of Mechanical Engineering, Seoul National University, Seoul, 08826, Republic of Korea.
Small (Weinheim an der Bergstrasse, Germany)
|April 23, 2025
概括
这项研究通过使用新型连接体创建2D/3D异质连接来增强金属化物矿太阳能电池 (PSC). 这种方法显著提高了功率转换效率 (PCE) 和长期稳定性.
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.
- 纳米技术 纳米技术
背景情况:
- 金属化物矿太阳能电池 (PSC) 显示出高功率转换效率 (PCE),但存在限制稳定性的缺陷.
- 在PSC的接口和谷物边界上的缺陷是商业化的主要挑战.
- 使用准二维Ruddlesden-Popper矿 (RPP) 层的2D/3D异形连接为缺陷被动化提供了一个有前途的解决方案.
研究的目的:
- 研究基功能化环氨基化物 (ACHACl) 作为用于PSC中创建2D/3D异构连接的配体的使用.
- 分析连接体配置对缺陷被动化和光伏性能的影响.
- 增强PSC的PCE和长期运营稳定性.
主要方法:
- 使用ACHACl作为表面被动化接口层合成2D/3D异质连接PSC.
- 对联体吸附和缺陷被动化机制的比较分析.
- 在1-Sun照明下,光伏性能和长期稳定性的表征.
主要成果:
- 特别是在 cis 配置中的 ACHACl 配体,在 3D 矿膜上有效地消极金属 Pb0 等缺陷.
- 2D/3D异质连接结构通过将价值带边缘向上移动,改善了对孔输送层 (HTL) 的孔提取.
- 具有2D/3D异质连接的PSC实现了23%的PCE,并显示出显著增强的长期稳定性.
结论:
- 定制RPP连接物分子的原子结构对于优化PSC性能至关重要.
- 开发的2D/3D异形连接策略有效地解决了PSC中与缺陷相关的限制.
- 这项工作为开发高效和稳定的矿太阳能电池提供了可行的途径.
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