N-type Ag <sub>2</sub> S modified CZTSSe solar cell with lowest <i>V</i> <sub>oc,def</sub>
Yang Jin, Junjie Fu, Weiwei Dong, Shu Ren, Xintong Zhang, Jingyi Su, Chaoliang Zhao, Wei Meng, Dandan Zhao, Yange Zhang, Sixin Wu, Zhi Zheng
Abstract
The Sn, Zn-doped Ag 2 S plays a triple role in CZTSSe devices: p–n conversion, front-interface bandgap grading, and defect passivation. This strategy achieved an efficiency of 14.25%, with the V oc of 0.584 V and the lowest V oc,def of 0.228 V.
Topics & Concepts
Solar cellType (biology)Materials scienceChemical engineeringChemistryOptoelectronicsBiologyEngineeringEcologyChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesCrystal Structures and Properties