Efficiency enhancement of CZTSe solar cells based on <i>in situ</i> K-doped precursor
Shengye Tao, Liangzheng Dong, Junsu Han, Yafei Wang, Qianming Gong, Jinquan Wei, Ming Zhao, Daming Zhuang
Abstract
High FF: in situ K-doped precursors make large-grain and void-free absorbers. The doping-enhanced Sn diffusion eliminates the local content vibration, suppresses deep level defects, and to higher cell efficiency with greatly improved FF.
Topics & Concepts
DopingIn situMaterials scienceVoid (composites)DiffusionSolar cellOptoelectronicsChemical engineeringNanotechnologyComposite materialChemistryPhysicsEngineeringThermodynamicsOrganic chemistryChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesSemiconductor materials and interfaces