Tobias Törndahl

Nov 22, 2023 | onlinelibrary.wiley.com | Natalia Martin |Natalia Martín |Nishant Saini |Melike Babucci |Tobias Törndahl

1 Introduction Kesterite Cu2ZnSn(S,Se)4 (CZT(S,Se)) seems a promising absorption layer material in thin-film solar cells due to the low-cost, earth-abundant, nontoxic, and environmentally friendly component elements.

Nov 22, 2023 | onlinelibrary.wiley.com | Natalia Martin |Natalia Martín |Nishant Saini |Melike Babucci |Tobias Törndahl

In a recent study we showed that record open circuit voltage (1.1 V) can be obtained for wide band gap full Germanium kesterite Cu2ZnGeS4 (CZGS) thin film solar cells by substituting the standard CdS buffer with a Zn1−xSnxOy (ZTO) buffer layer grown by atomic layer deposition [N. Saini et al., Sol. RRL 2021, 2100837].