高性能太阳能电池的中介辅助矿阶段净化
Jinghao Ge1, Yiru Huang2, Xuexiao Chen2
1Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; International Joint Research Center of Shaanxi Province for Photoelectric Materials Science; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, China.
Journal of the American Chemical Society
|December 31, 2024
概括
氨基瓜尼丁化物 (AG) 通过形成一种新的中间阶段来稳定矿太阳能电池 (PSC) 的有效α阶段. 这大大提高了PSC的效率和长期运营稳定性.
科学领域:
- 材料科学
- 太阳能发电
- 晶体学
背景情况:
- 矿太阳能电池 (PSC) 是新一代光伏的前景.
- 对于PSC的运行可靠性而言,结构稳定性,特别是实现纯胺 (α-FAPbI3) 的α-阶段,至关重要.
- 在热力学上有利的δ-FAPbI3相阻碍了纯α相结晶.
研究的目的:
- 开发一种机器学习方法来识别促进PSC中的α相净化添加剂.
- 调查阿米诺瓜尼丁 (AG) 化物作为增强矿相稳定性和设备性能的添加剂的潜力.
主要方法:
- 使用语言机器学习方法分析了大约10个科学摘要.
- 确定了阿米诺瓜尼丁 (AG) 化物作为中间阶段形成的有前途的添加剂.
- 进行实验验证,以确认新的一维中间阶段的形成 (AGPbI3).
主要成果:
- AG形成了一种新的1D中间相 (AGPbI3),抑制不必要的δ-相和溶剂中间形成.
- 促进了纯α相结晶,使太阳能电池的效率从23.99%提高到25.46%.
- 提高了长期的热和光稳定性,在85°C下1056小时后保持82%的效率,在835小时的照明后保持94.6%.
- 灵活的PSC效率从21.24%提高到22.86%.
结论:
- 氨基瓜尼丁化物是稳定矿太阳能电池α相的有效添加剂.
- 开发的机器学习策略提供了一个快速的方法来探索新的中间阶段,以提高薄膜太阳能电池的性能和稳定性.
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