Band-gap-graded Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> drives highly efficient solar cells
Hongling Guo, Rutao Meng, Gang Wang, Shenghao Wang, Li Wu, Jianjun Li, Zuoyun Wang, Jiabin Dong, Xiaojing Hao, Yi Zhang
Abstract
Band-gap-graded CZTSSe was formed successfully, and the carrier transport through the p-n junction was improved greatly; thus, the power conversion efficiency was increased by 45%.
Topics & Concepts
Band gapMaterials scienceEnergy conversion efficiencyOptoelectronicsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications