Improving charge transport and reducing non-radiative energy loss <i>via</i> a nonacyclic carbazole-based third component for over 18% efficiency polymer solar cells
Yongshuai Gong, Runnan Yu, Huaizhi Gao, Zongwen Ma, Yiman Dong, Yi-Jia Su, Tsung-Wei Chen, Chain‐Shu Hsu, Zhan’ao Tan
Abstract
Ternary polymer solar cells were fabricated by introducing dithienocyclopentacarbazole (DTC) based non-fullerene acceptor DTTC-4ClC9 into PM6:BTP-BO-4Cl host blends, and the champion power conversion efficiency of 18.21% was achieved.
Topics & Concepts
Ternary operationCarbazoleMaterials sciencePolymerEnergy conversion efficiencyAcceptorRadiative transferPolymer solar cellFullereneEnergy transportCharge (physics)Component (thermodynamics)Radiant energyOptoelectronicsChemical engineeringPhotochemistryChemistryComposite materialOpticsEngineering physicsPhysicsOrganic chemistryThermodynamicsCondensed matter physicsProgramming languageQuantum mechanicsEngineeringRadiationComputer scienceOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications