Table 3 Elemental composition of PHED CZTS thin-films before and after sulfurization at an optimized temperature of 550 °C.
Cu | Zn | Sn | S (at%) | [Cu]/([Zn]+[Sn]) | [Zn]/[Sn] | S/metal | |
---|---|---|---|---|---|---|---|
(at%) | (at%) | (at%) | |||||
As-deposited | 25.33 | 19.44 | 14.56 | 40.67 | 0.75 | 1.34 | 0.69 |
Sulfurized | 27.18 | 14.44 | 12.13 | 46.25 | 1.02 | 1.19 | 0.86 |