Surface crystallinity enhancement in organic solar cells induced by spinodal demixing of acceptors and additives
Zichao Shen, Jinde Yu, Guanyu Lu, Guanyu Lu, Keming Wu, Qingyu Wang, Laju Bu, Xinfeng Liu, Yuanwei Zhu, Guanghao Lu, Guanghao Lu
Abstract
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.
Topics & Concepts
SpinodalCrystallinityBinodalMaterials scienceChemical engineeringLayer (electronics)Chemical physicsComposite materialChemistryPhase (matter)Organic chemistryPhase diagramEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsThin-Film Transistor Technologies