A novel wide-bandgap small molecule donor for high efficiency all-small-molecule organic solar cells with small non-radiative energy losses
Yulong Wang, Yang Wang, Lei Zhu, Haiqin Liu, Fang Jin, Xia Guo, Feng Liu, Zheng Tang, Maojie Zhang, Yongfang Li
Abstract
A novel small molecule donor based on thiazolo[5,4-<italic>d</italic>]thiazole (TTz) unit is developed for OSCs application with 13.9% power conversion efficiency and a small non-radiative energy loss of 0.18 eV.
Topics & Concepts
Small moleculeRadiative transferEnergy conversion efficiencyOrganic solar cellBand gapMaterials scienceMoleculeEnergy transformationThiazoleOptoelectronicsSolar cell efficiencyOpticsChemistrySolar cellPhysicsPolymerStereochemistryOrganic chemistryThermodynamicsComposite materialBiochemistryOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsNanowire Synthesis and Applications