A universal surface fixed charge reconstruction strategy to minimize contact loss in wide bandgap perovskite photovoltaics
Yaxiong Guo, Fang Yao, Yuncheng Zhang, Guoyi Chen, Shengjie Du, Zhixi Yu, Hai Zhou, Weijun Ke, Chun Li, Guojia Fang
Abstract
The “healing–reconstruction” strategy results in decreased V OC loss, with V OC values of 1.24, 1.37, and 1.44 V for 1.65, 1.79, and 1.91 eV perovskites, respectively.
Topics & Concepts
PhotovoltaicsPerovskite (structure)Band gapMaterials scienceOptoelectronicsPhotovoltaic systemCharge (physics)Engineering physicsNanotechnologyElectrical engineeringPhysicsEngineeringChemical engineeringQuantum mechanicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films