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基于SnO2的高效和稳定的反转有机太阳能电池,经过简单的小分子修改,效率超过19%

Yumeng Li¹, Jifa Wu¹, Feng Tang²

¹State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, Guangdong Basic Research Center of Excellence for Energy & Information Polymer Materials, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China.

ACS applied materials & interfaces

|September 22, 2025

概括

与巴托库普洛因 (BCP) 功能化锡氧化物 (SnO) 增强了反转有机太阳能电池. 这种修改通过减少电荷重组和表面缺陷来提高功率转换效率和设备稳定性.

科学领域:

材料科学材料科学材料科学
有机电子有机电子
太阳能光伏发电是如何实现的

背景情况:

有机太阳能电池 (OSC) 是一个有前途的可再生能源技术.
像锡氧化物 (SnO) 这样的电子输送层 (ETL) 对OSC性能至关重要.
ETL的缺陷和工作功能可能会限制电荷提取和设备效率.

研究的目的:

调查巴托库普洛因 (BCP) 功能化对反转有机光伏设备中SnO₂ETL的影响.
了解BCP和SnO₂之间的界面相互作用及其对设备性能的影响.
提高反转OSC的功率转换效率 (PCE) 和运行稳定性.

主要方法:

理论量子化学计算来研究BCP-SnO相互作用.
用修改的SnO₂ETL进行反转OSC的实验制造和表征.
设备性能测试,包括PCE测量和稳定性评估 (存储,光,热,湿度,紫外线).

主要成果:

BCP功能化有效地减少了工作功能,并提高了SnO的导电性.
接口相互作用使SnO2表面缺陷被动化,减少电荷重组.
经BCP修改的设备显示显著改善了PCE,在三元OSC中达到19.13%.
增强的设备稳定性,T超过500小时,比未经修改的设备大大改进.

结论:

BCP是一种有效的材料,用于在倒置的OSC中功能化SnO₂ETL.
BCP-SnO₂接口的修改导致了优越的电荷传输和减少的重组.
这一战略为高效和稳定的反转有机太阳能电池提供了一条道路.

关键词:

电子输送层是一种电子输送层.修改的意思是改变的意思.有机太阳能电池是有机太阳能电池.提高了功率转换效率,提高了功率转换效率.稳定的稳定性稳定的稳定性锡氧化物锡氧化物

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