Precise fluorination of polymeric donors towards efficient non-fullerene organic solar cells with balanced open circuit voltage, short circuit current and fill factor
Xiaosha Wang, Honggang Chen, Jun Yuan, Qingya Wei, Jing Li, Lihui Jiang, Jun Huang, Yongfang Li, Yongfang Li, Yungui Li, Yungui Li, Yingping Zou
Abstract
By increasing the fluorination sites of polymer donors, the <italic>J</italic><sub>SC</sub>, <italic>V</italic><sub>OC</sub> and FF are enhanced for solar cells, because of fine-tuned energy levels, reduced trap-assisted or bimolecular recombination, and improved charge carrier mobility.
Topics & Concepts
FullereneOpen-circuit voltageMaterials scienceShort circuitCurrent (fluid)OptoelectronicsVoltageNanotechnologyChemistryPhysicsOrganic chemistryThermodynamicsQuantum mechanicsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research