Enhancing the Marangoni flow by inner side chain engineering in nonfullerene acceptors for reproducible blade coating-processed organic solar cell manufacturing
Geunhyung Park, Yongjoon Cho, Seonghun Jeong, Jeewon Park, Seong‐Jun Yoon, Changduk Yang
Abstract
Three nonfullerene acceptors with different inner chain lengths were studied on blade-coated organic solar cells to manipulate the Marangoni flow. Consequently, L8- i -EB, with the shortest inner chain, exhibits homogeneous morphology and performance.
Topics & Concepts
Marangoni effectMaterials scienceCoatingFlow (mathematics)HomogeneousChain (unit)Organic solar cellNanotechnologyComposite materialMechanicsPhysicsConvectionThermodynamicsPolymerAstronomyOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsThin-Film Transistor Technologies