Molecular ordering and phase segregation induced by a volatile solid additive for highly efficient all-small-molecule organic solar cells
Shanshan Chen, Junfeng Ye, Qianguang Yang, Jiyeon Oh, Dingqin Hu, Ke Yang, George Omololu Odunmbaku, Feng Li, Qingqing Yu, Zhipeng Kan, Zeyun Xiao, Changduk Yang, Shirong Lu, Kuan Sun
Abstract
The IC-IF volatile solid additive enables an interpenetrating BHJ microstructure with a predominant π-face-on molecular packing, affording an efficient all-small-molecule OSCs with an efficiency of 14.43% and an outstanding fill factor of 73.53%.
Topics & Concepts
Small moleculeOrganic solar cellPhase (matter)MicrostructureMoleculeMaterials scienceChemical engineeringOrganic moleculesChemistryOrganic chemistryPolymerComposite materialEngineeringBiochemistryOrganic Electronics and PhotovoltaicsConducting polymers and applicationsThin-Film Transistor Technologies