A Review on Development Prospect of CZTS Based Thin Film Solar Cells

Table 2

Theoretical calculating value of the band gap of Cu₂ZnSnS₄ and Cu₂ZnSnSe₄.

	Chen et al. [11]	Vidal et al. [21]	Paier et al. [22]	Persson [20]
Se kesterite	0.96	1.02		1.05
Se stannite	0.82	0.87		0.89
S kesterite	1.50	1.64	1.49	1.56
S stannite	1.38	1.33	1.30	1.42