17.25% high efficiency ternary solar cells with increased open-circuit voltage using a high HOMO level small molecule guest donor in a PM6:Y6 blend
Wei Tang, Wenhong Peng, Mengbing Zhu, Huanxiang Jiang, Wenchao Wang, Hao Xia, Renqiang Yang, Olle Inganäs, Hua Tan, Qingzhen Bian, Ergang Wang, Weiguo Zhu
Abstract
A small-molecule TiC12 was primarily incorporated into the PM6:Y6 system as the third component to construct ternary OSCs. As a result, a record PCE of 17.25% with an advanced V oc of 0.853 V was obtained in the OSCs.
Topics & Concepts
Ternary operationOpen-circuit voltageSmall moleculeMoleculeMaterials scienceOrganic solar cellShort circuitEnergy conversion efficiencyVoltagePolymer chemistryOptoelectronicsChemistryOrganic chemistryElectrical engineeringPolymerComputer scienceComposite materialEngineeringProgramming languageBiochemistryOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsOrganic and Molecular Conductors Research