Preparation of band-gap-grading Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> thin-film solar cells by post-sulfo-selenization treatment
Xiang Li, Xinghuan Hu, Hua Liao, Shuai Yang, Xinyu Li, Qiulian Li, Xin Liu, Yonggang Zhao, Shurong Wang
Abstract
In this study, a simple and reproducible two-step annealing process was demonstrated to prepare Cu 2 ZnSn(S,Se) 4 (CZTSSe) thin film with band-gap grading by selenization followed by post-sulfo-selenization (PSS) treatment.
Topics & Concepts
Materials scienceAnnealing (glass)Band gapThin filmThin film solar cellMetallurgyChemical engineeringGrading (engineering)NanotechnologyOptoelectronicsCivil engineeringEngineeringChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications