素结合可以提高迪昂-雅各布森矿太阳能电池的性能和稳定性
Nanliu Liu1,2, Qingqing Zou2,3, Ying Li2
1School of Physics and Electronics, Qiannan Normal University for Nationalities, Duyun, Guizhou, 558000, P.R. China.
Angewandte Chemie (International ed. in English)
|April 26, 2025
概括
这项研究通过使用素键来稳定化离子,并通过 perfluorodecyl iodide (PFI) 减少网格应变来增强 Dion-Jacobson (DJ) 矿太阳能电池 (PSC). 这提高了高性能PSC的相位分布,载体运输和稳定性.
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:
- 2D或准2D矿太阳能电池 (PSC) 面临相分布和晶格应变的挑战,限制了性能和稳定性.
- 迪昂-雅各布森 (DJ) 型Q-2D PSC特别受到这些内在问题的影响.
- 制定减轻这些瓶的策略对于推进PSC技术至关重要.
研究的目的:
- 为了稳定化离子和微调 DJ PSC 中的剩余晶格应变.
- 为了提高相位均性,载体动力学和整体设备稳定性.
- 研究素键和化 (PFI) 的有效性,以解决PSC的局限性.
主要方法:
- 引入 perfluorodecyl iodide (PFI) 以与化离子形成素键.
- 分析相位分布和残余格子应变.
- 评估载体重组,电荷传输,效率和设备在老化条件下的稳定性.
主要成果:
- perfluorodecyl 化物 (PFI) 的引入减少了化物的缺陷,并释放了拉伸应变.
- 观察到均相分布和抑制的载体重组.
- 增强的电荷传输带来了功率转换效率的提高.
- 在952小时的热光衰老 (85°C,1个阳光) 后,DJ PSC保持了超过81%的效率.
- 在反向偏差 (-2.5V) 下21小时后,设备的效率保持在91%以上.
结论:
- 与PFI的素结合有效地稳定了DJ PSC,通过管理相位分布和晶格应变.
- 该战略显著提高了Q-2DPSC的运营稳定性和效率.
- 这种方法代表了一条通往高度稳定和高效的矿太阳能电池的有希望的途径.
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