用于高效和稳定的全无机CsPbI2Br Perovskite太阳能电池的溶解 (II) 复合物
Joanna Kruszyńska1, Murat Ebic2, Benjamin M Gallant3
1Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland.
Small (Weinheim an der Bergstrasse, Germany)
|January 23, 2026
概括
我们使用一种新型的复合物增强无机矿太阳能电池 (PSC). 这将效率提高到16.4%,并提高了稳定性,为更耐用和更强大的矿光伏发电铺平了道路.
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:
- 无机矿太阳能电池 (PSC) 提供有前途的光伏性能.
- 提高PSC的效率和运营稳定仍然是一个关键的挑战.
- 在太阳能应用中,合物化物矿,如CsPbI2Br,具有吸引力.
研究的目的:
- 为了提高无机CsPbI2Br矿太阳能电池的效率和稳定性.
- 为了研究将化复合物PdBr2(PhCN) 2纳入矿前体油墨的效果.
- 了解复合物增强设备性能和寿命的机制.
主要方法:
- 在CsPbI2Br矿前体油墨中加入一个化复合物 (PdBr2(PhCN) 2).
- 矿膜形态和晶体结构的表征.
- 分析能量水平对齐和电荷载体动态.
- 矿太阳能电池设备的制造和测试.
- 在环境和操作压力下对设备稳定性的评估.
主要成果:
- 添加PdBr2(PhCN) 2稳定了CsPbI2Br矿的α相.
- 离子 (Pd2+) 被纳入了B地点的矿结构.
- 由于在化过程中除掉了氏,因此观察到矿膜形态的改善.
- 实现了更好的能量水平对齐和更少的电荷载体重组.
- 优化设备的功率转换效率 (PCE) 为16.4%,V_OC为1.27V,性能优于控制设备 (14.1%,1.19V).
- 产品表现出增强的环境和操作稳定性,在500小时的老化后分别保持了约75%和90%的初始PCE.
结论:
- 使用溶解前体的B站点工程是开发稳定高效无机矿太阳能电池的有效策略.
- 该PdBr2(PhCN) 2复合物充当多功能添加剂,改善相位稳定性,膜形态和电荷动态.
- 这种方法为克服矿光伏的稳定性限制提供了一条可行的途径.
- 取得的效率和稳定性凸显了这种方法在太阳能转换中的实际应用的潜力.
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