An asymmetric wide-bandgap acceptor simultaneously enabling highly efficient single-junction and tandem organic solar cells
Jianqiu Wang, Maojie Zhang, Ji Lin, Zhong Zheng, Lei Zhu, Pengqing Bi, Haiyan Liang, Xia Guo, Jingnan Wu, Yafei Wang, Linfeng Yu, Jiayao Li, Junfang Lv, Xiaoyu Liu, Feng Liu, Jianhui Hou, Yongfang Li
Abstract
An asymmetric wide-bandgap acceptor, namely AITC, is synthesized. The large dipole moment of AITC reinforces the molecular packing in ternary blends. Single-junction and tandem OSCs yielded a remarkable PCE of 18.8% and 19.4%, respectively.
Topics & Concepts
TandemAcceptorTernary operationOrganic solar cellMaterials scienceBand gapOptoelectronicsDipolePhotovoltaic systemNanotechnologyChemistryOrganic chemistryPolymerCondensed matter physicsElectrical engineeringPhysicsComputer scienceComposite materialProgramming languageEngineeringOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications