Over 17% efficiency all-small-molecule organic solar cells based on an organic molecular donor employing a 2D side chain symmetry breaking strategy
Zhiya Li, Xunchang Wang, Nan Zheng, Aziz Saparbaev, Jiayi Zhang, Cong Xiao, Shiyun Lei, Xufan Zheng, Manxue Zhang, Yuda Li, Biao Xiao, Renqiang Yang
Abstract
The 2D asymmetric side chain strategy via modification with different halogens can optimize the morphology, improve the molecular interaction and control the photophysical properties, promoting an outstanding PCE of 17.0% in binary ASM-OSCs.
Topics & Concepts
Organic solar cellSide chainSmall moleculeHalogenMaterials scienceOrganic moleculesMoleculeNanotechnologyChemical physicsChemistryCombinatorial chemistryOrganic chemistryPolymerAlkylBiochemistryOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications