Raising the LUMO level of fullerene derivatives alleviates the output voltage loss in tin halide perovskite solar cells
Cheng Wu, Weike Zhu, Shurong Wang, Zhiyuan Cao, Liming Ding, Feng Hao
Abstract
Two novel electron transport materials were designed and synthesized for tin halide perovskite solar cells. With the well-matched energy levels, the device achieved an efficiency of 10.17% along with a remarkable open-circuit voltage of 0.76 V.
Topics & Concepts
HOMO/LUMOHalideEnergy conversion efficiencyPerovskite (structure)AlkylTinFullereneChemistryMaterials scienceOpen-circuit voltagePhotochemistryOptoelectronicsVoltageInorganic chemistryOrganic chemistryMoleculeElectrical engineeringEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsAdvanced battery technologies research