The CZTS Thin Films Grown by Sulfurization of Electrodeposited Metallic Precursors: The Effect of Increasing Tin Content of the Metallic Precursors on the Structure, Morphology and Optical Properties of the Thin Films. East Eur. J. Phys. 2023;(2):249-256. doi:10.26565/2312-4334-2023-2-28