Boosting solar cell performance during highly thermo- and photo-stable asymmetric perylene diimide dimeric acceptors by selenium-annulation at the outside bay position
Junfeng Tong, Jiayu Fang, Lili An, Youzhi Huo, Fushui Di, Pengzhi Guo, Chunyan Yang, Zezhou Liang, Jianfeng Li, Yangjun Xia
Abstract
Se-annulated PDI-SePDI device achieved a 56.64% elevated PCE of 5.31%, which was mainly due to enhanced exciton dissociation, suppressed charge recombination, and increased charge mobility benefiting from beneficial microstructural morphology.
Topics & Concepts
PeryleneDiimideAnnulationBaySeleniumSolar cellPhotochemistryChemistryMaterials scienceOptoelectronicsMoleculeOrganic chemistryEngineeringCivil engineeringCatalysisAnalytical Chemistry and SensorsNeuroscience and Neural EngineeringPhotoreceptor and optogenetics research