Spirobifluorene with an asymmetric fluorenylcarbazolamine electron-donor as the hole transport material increases thermostability and efficiency of perovskite solar cells
Yutong Ren, Yuefang Wei, Tianyu Li, Yanfei Mu, Min Zhang, Yi Yuan, Jing Zhang, Peng Wang
Abstract
A structurally simple hole transport material, with an extremely high glass transition temperature, achieves an average initial efficiency of 24.5% and remarkable 85 °C durability in perovskite solar cells.
Topics & Concepts
ThermostabilityPerovskite (structure)Materials scienceElectron transport chainElectronGlass transitionEnergy conversion efficiencyDurabilitySolar cellChemical engineeringOptoelectronicsChemistryComposite materialPolymerCrystallographyOrganic chemistryPhysicsEnzymeQuantum mechanicsBiochemistryEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics