Strategies for back contact engineering in high-performance flexible kesterite solar cells
C. Gobbo, Yuancai Gong, Alex Jiménez‐Arguijo, Giorgio Tseberlidis, Vanira Trifiletti, Claudia Malerba, Matteo Valentini, Pau Estarlich, Elaine Armelín, Sonia Lanzalaco, Riccardo Pó, S. Binetti, Edgardo Saucedo
Abstract
Back contact engineering of flexible (Ag,Cu) 2 ZnSn(S,Se) 4 solar cells on Mo foil was performed. Despite the formation of a thick MoSe 2 layer, MoO 3 insertion at the back reduced kesterite decomposition and promoted grain growth, enabling η of 11.2%.
Topics & Concepts
KesteriteMaterials scienceMechanical engineeringEngineering physicsEngineeringSolar cellOptoelectronicsCZTSChalcogenide Semiconductor Thin FilmsSilicon and Solar Cell Technologiessolar cell performance optimization