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作为高效率有机太阳能电池的阴极间层,具有成本效益的船基复合体作为高效率有机太阳能电池的阴极间层

Wenliang Li¹, Tingting Wang¹, Xinkang Wang²

¹College of Chemistry and Chemical Engineering/Film Energy Chemistry for Jiangxi Provincial Key Laboratory (FEC)/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China.

Angewandte Chemie (International ed. in English)

|November 20, 2025

概括

新的希夫基复合物作为高性能有机太阳能电池 (OSC) 的高效阴极介层 (CIL). 尼米CIL实现了19.11%的功率转换效率,性能优于现有的材料.

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:

高效的阴极间层 (CIL) 对于优化批量异质连接有机太阳能电池 (BHJ-OSC) 来说至关重要.
现有的CIL面临性能和成本方面的挑战,需要开发新型材料.

研究的目的:

为BHJ-OSCs合成和表征新的,低成本的Schiff基复合物作为CILs.
评估这些新CIL的性能与最先进的材料相比.

主要方法:

通过高效的反应和简单的净化合成Ni-Me,Ni-iPr和Ni-tBu Schiff基复合物.
描述CIL属性,包括工作功能,膜形成能力,电子导电性和电子移动性.
使用合成的CILs,对BHJ-OSC的设备制造和性能测试.

主要成果:

尼米表现出优越的电子导电性 (6.5 × 10−4 S cm−1) 和电子流动性 (5.1 × 10−4 cm2 V−1 S−1).
与Ni-iPr和Ni-tBu相比,Ni-Me的结晶性更高.
使用Ni-Me CIL的BHJ-OSC实现了19.11%的功率转换效率 (PCE),超过了PDINN (18.52%) 和PNDIT-F3N (18.5%).
尼米CIL在不同OSC活性层组合中显示出出色的普遍性.

结论:

船基复合物,特别是Ni-Me,对OSCs来说是一个有希望的低成本和高性能CIL.
与已建立的CIL相比,Ni-Me提供了增强的电子特性和设备性能.
这些发现突显了希夫基复合物的潜力,可以促进有机太阳能电池技术的发展.

关键词:

阴极介层之间的层.高性能的高性能.低成本的低成本的成本.有机太阳能电池是有机太阳能电池.石基复合物石基复合物

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