An efficient polymer acceptor with fluorinated linkers enables all polymer solar cells with an efficiency of 15.7%
Haiqin Xiao, Junfang Lv, Miao Liu, Xia Guo, Xinxin Xia, Xinhui Lu, Maojie Zhang
Abstract
A polymer acceptor PY-DF was developed by incorporating difluorothiophenes as linking units. The resulting all-PSCs obtained the best PCE (15.7%) with both enhanced V OC (0.97 V) and J SC (23.1 mA cm −2 ) simultaneously.
Topics & Concepts
AcceptorPolymerMaterials sciencePolymer solar cellChemical engineeringPolymer chemistryComposite materialPhysicsCondensed matter physicsEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research