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与同自组装单层的接口工程,以改善有机光伏中的电荷提取和形态

Bing-Huang Jiang¹, Zih-Ruei Huang¹, Yu-Wei Su²

¹Department of Materials Engineering and Center for Plasma and Thin Film Technologies, Ming Chi University of Technology, New Taipei City 24301, Taiwan.

ACS applied materials & interfaces

|November 10, 2025

概括

一种新的自组装单层 (co-SAM) 策略通过将[2-(9H-carbazol-9-yl) ethyl]酸 (2PACz) 与4PDACB混合来增强有机光伏 (OPV). 这种方法提高了OPV中的功率转换效率 (PCE).

科学领域:

材料科学材料科学材料科学
有机电子有机电子
表面化学表面化学

背景情况:

基于碳醇的自组装单层 (SAM),如[2-(9H-碳醇-9-yl) 乙]酸 (2PACz),是有机光伏 (OPV) 中关键的孔选择性层 (HSL).
单组件SAM的局限性,例如2PACz,阻碍了OPV设备性能的进一步改进.
对SAM的分子修饰是一种常见的策略,但引入了复杂性.

研究的目的:

引入使用2PACz和4PDACB的自组装单层 (co-SAM) 策略,以克服OPV中单组件SAM的局限性.
通过共同SAM形成,优化电极工作功能,接口质量和活性层形态.
提高有机光伏的整体性能和功率转换效率 (PCE).

主要方法:

通过混合2PACz和4PDACB来制造自组装单层 (co-SAM).
优化基于PM6:Y6的有机光伏 (OPV) 使用co-SAM战略.
共同SAM修改的OPV的性能评估,包括功率转换效率 (PCE) 测量.

主要成果:

同SAM策略显著改善了OPV性能,PM6:Y6设备的PCE达到17.55%,超过单层2PACz (17.08%) 和4PDACB (16.13%) 设备.
同SAM在三元OPV中表现出有效性,达到18.69%的最大PCE.
协同SAM方法成功地平衡了工作功能调整,接口质量和活跃层形态.

结论:

自组装单层提供了一个有希望的方法,通过协同组合不同的SAM组件来提高OPV性能.
通过co-SAM的表面工程在控制薄膜形态和提高设备效率方面发挥着至关重要的作用.
该战略为开发下一代高性能有机光伏提供了宝贵的见解.

关键词:

结合聚合物的聚合物.孔的选择性层是选择性层.孔的运输层是孔的运输层.有机光伏是有机的自组装的单层单层.

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