Absorber and interfaces of kesterite solar cells

In the previous decade, Cu2ZnSn(S,Se)4 (kesterite) compounds have attracted the interest of several research groups across the world. Their efforts have improved this technology from 5 % power conversion efficiency in 2004 to above 13 % in 2017 (communicated but not published) [1]. This thesis begins with an assessment of the current status of...