Fine-tuning of side-chain orientations on nonfullerene acceptors enables organic solar cells with 17.7% efficiency
Gaoda Chai, Yuan Chang, Jianquan Zhang, Xiaopeng Xu, Liyang Yu, Xinhui Zou, Xiaojun Li, Yuzhong Chen, Siwei Luo, Binbin Liu, Fujin Bai, Zhenghui Luo, Han Yu, Jiaen Liang, Tao Liu, Kam Sing Wong, Hang Zhou, Qiang Peng, He Yan
Abstract
Regulating side-chain orientations of Y-series NFAs is a promising strategy to achieve favorable morphology, and high charge mobility and solar cell performances, which enables high-performance devices with efficiency approaching 18%.
Topics & Concepts
Organic solar cellSide chainMaterials scienceSolar cellCharge (physics)OptoelectronicsPhysicsPolymerComposite materialQuantum mechanicsOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications