Completely non-fused ring acceptors with low non-radiative energy loss enabled by end-group modulation
Hao Li, Jiayao Li, Chenyi Yang, Jingwen Wang, Du Hyeon Ryu, Lijiao Ma, Yi Yang, Won Suk Shin, Shaoqing Zhang, Jianhui Hou
Abstract
Four non-fused-ring electron acceptors with modified end groups, namely FC8-0F, FC8-1F, FC8-2F and FC8-2Cl, were designed and synthesized. Among them, the FC8-2Cl-based OSC exhibits a remarkable PCE of 13.28% with low energy loss.
Topics & Concepts
Ring (chemistry)Materials scienceRadiative transferModulation (music)CrystallographyPhotochemistryMolecular physicsAtomic physicsOpticsOrganic chemistryChemistryPhysicsAcousticsOrganic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent Materials