Observation of reversible light degradation in organic photovoltaics induced by long-persistent radicals
Difei Zhang, Chao Liu, Kaicheng Zhang, Yanhua Jia, Wenkai Zhong, Weidong Qiu, Yuanfeng Li, Thomas Heumüller, Karen Forberich, Vincent M. Le Corre, Larry Lüer, Ning Li, Fei Huang, Christoph J. Brabec, Lei Ying
Abstract
The reversible device performance of organic solar cells is caused by light-induced long-persistent radicals, and can be released with activation energy provided by thermal annealing.
Topics & Concepts
RadicalDegradation (telecommunications)PhotovoltaicsPhotochemistryOrganic solar cellMaterials scienceAnnealing (glass)ThermalChemistryChemical engineeringPhotovoltaic systemOrganic chemistryPolymerComposite materialElectrical engineeringThermodynamicsPhysicsEngineeringOrganic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchPerovskite Materials and Applications