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一个有机阴极用于低温加工,灵活的三元有机太阳能电池,具有高性能

Xia Liu¹, Lei Wang², Xi Liu¹

¹School of Physics and Electronic Information, Yantai University, Yantai 264005, China. zhliu@ytu.edu.cn.

Physical chemistry chemical physics : PCCP

|September 2, 2024

概括

研究人员使用PEDOT:PSS创建了一个灵活的有机太阳能电池 (OSC) 阴极,提高导电性和工作功能. 这一突破使固和柔性太阳能电池的高效,低温加工成为可能.

科学领域:

材料科学材料科学材料科学
有机电子有机电子
可再生能源可再生能源是可再生能源.

背景情况:

有机太阳能电池 (OSC) 为可再生能源发电提供了一个有希望的替代方案.
开发高效和稳定的电极对于提高OSC性能至关重要.
传统的电极通常需要高加工温度和昂贵的材料.

研究的目的:

为三元有机太阳能电池开发一种灵活,高性能的阴极.
为了提高PEDOT:PSS电极的导电性和工作功能.
为了证明低温加工在OSC制造中的可行性.

主要方法:

使用溶剂工程和酸处理来提高PEDOT:PSS导电性.
使用聚乙胺涂层来调整PEDOT:PSS电极的工作功能.
使用修改过的电极,制造和表征硬性和柔性OSC.

主要成果:

PEDOT:PSS的板电阻从1081降至83 Ω平方-1 .
工作功能从 -5.07 调到 -4.12 eV,改善了电子收集.
严格的OSC实现了16.3%的功率转换效率 (PCE);灵活的OSC达到14.1%的PCE.
灵活的OSC在300个曲周期后保留了91.5%的PCE.

结论:

开发的柔性阴极显著提高了OSC性能,并使低温处理成为可能.
经过修改的PEDOT:PSS电极为传统电极提供了具有成本效益和效率的替代方案.
该研究表明,灵活的OSC具有出色的可曲性和稳定性,为可穿戴电子产品铺平了道路.

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