Phase evolution regulation of CZTSSe absorbers <i>via</i> a ZnO blocking layer enables 14.45% efficient kesterite solar cells with low <i>V</i><sub>OC</sub> deficit
JinJin Chi, Wei Hao, Liangli Chu, Litao Han, Tong Liu, Xinyi Zhong, Dongxing Kou, Wenhui Zhou, Zhengji Zhou, Shengjie Yuan, Yuena Meng, Yafang Qi, Zhipeng Shao, Guanglei Cui, Sixin Wu
Abstract
The one-step phase evolution from CZTS to CZTSSe was realized through a ZnO blocking layer. This prevented the formation of detrimental secondary phases, resulting in an absorber with superior crystalline quality and reduced defect concentration.
Topics & Concepts
KesteriteBlocking (statistics)Layer (electronics)Solar cellMaterials sciencePhase (matter)OptoelectronicsNanotechnologyComputer scienceCZTSChemistryComputer networkOrganic chemistryChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesPerovskite Materials and Applications