A vertical antioxidant strategy for high performance wide band gap tin perovskite photovoltaics
Fan Hu, Chun‐Hao Chen, Yanhui Lou, Tian‐Yu Teng, Yiran Shi, Yu Xia, Kai‐Li Wang, Jing Chen, Zhao‐Kui Wang, Liang‐Sheng Liao
Abstract
The antioxidant capacity of acidic media and its effect on the efficiency of perovskite solar cells were investigated. A vertical antioxidant strategy to inhibit the diffusion of Sn 4+ in precursor solutions and perovskite films is developed.
Topics & Concepts
Perovskite (structure)PhotovoltaicsAntioxidantDiffusionTinMaterials scienceBand gapOptoelectronicsChemical engineeringChemistryPhotovoltaic systemMetallurgyElectrical engineeringEngineeringBiochemistryPhysicsThermodynamicsPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films