Droplet-Merging and Dissolution-Induced Intermediate State Strategy Enabled Efficiency > 17.5% for the Printed Organic Solar Cells

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters Pub Date : 2026-07-06 DOI:10.1007/s40820-026-02268-8

Lifeng Sang, Xingze Chen, Chen Chen, Yuanyuan Jiang, Qing Zhang, Ni Yin, Yue Guo, Wei Li, Tao Wang, Xiaozhang Zhu, Qi Chen, Chang-Qi Ma, Qun Luo

引用次数: 0

Abstract

Highlights

A droplet-merging and dissolution-induced intermediate state strategy was developed to effectively promote molecular crystallization and molecular orientation.
High performance > 17.5% for small-area devices and high-performance large-area modules were fabricated by inkjet printing through this intermediate state strategy.

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液滴合并和溶解诱导的中间态策略使印刷有机太阳能电池效率> 17.5%。

分子预聚集行为对有机薄膜的形态和有机太阳能电池的器件性能起着至关重要的作用。在高沸点溶剂体系中，相对缓慢的干燥结晶动力学影响了溶液态分子预聚集控制，使薄膜结晶调控复杂化。在这项工作中，通过构建喷墨打印（IJP）过程中液滴合并和溶解诱导的中间状态，开发了一种调节薄膜预聚集特性的新方法。在此过程中，三个关键参数，打印温度，液滴空间和添加剂，被确定为中间状态形成的关键。该方法创造了一种中间聚集状态，最终增强了邻二氯苯印刷薄膜的结晶性和分子取向，克服了缓慢动力学的挑战。因此，IJP OSCs通过液滴合并和溶解诱导的中间策略实现了创纪录的17.57%的功率转换效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

32.60

自引率

4.90%

发文量

981

审稿时长

1.1 months

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.