Synthesis and Characterization of CZTS Thin Films by Sol-Gel Method without Sulfurization

Table 3

Spin-orbit splitting values of CZTS films’ XPS spectra.

Sample	Cu 2p (eV)	Zn 2p (eV)	Sn 3d (eV)	S 2p (eV)
9-LAY	19.4	22.9	8.4	1.5
9-LAY-ANN	20.0	23.1	8.4	1.5