Surface crystallinity enhancement in organic solar cells induced by spinodal demixing of acceptors and additives

作者：Zichao Shen, Jinde Yu, Guanyu Lu, Guanyu Lu, Keming Wu, Qingyu Wang, Laju Bu, Xinfeng Liu, Yuanwei Zhu, Guanghao Lu, Guanghao Lu · 发表于：Energy & Environmental Science · 年份：2023 · DOI：10.1039/d3ee00090g · 被引用次数：89 · 研究领域：Organic Electronics and Photovoltaics、Conducting polymers and applications、Thin-Film Transistor Technologies

Surface spinodal demixing of DIO:ITIC leads to poor electron mobility, while the CN:Y6 blend undergoes a binodal demixing process which is similar to that occurs in the bulk liquid layer, contributing to uniform vertical crystallinity distribution.