Preparation and Characterization of Cu₂ZnSnS₄ Thin Films and Solar Cells Fabricated from Quaternary Cu-Zn-Sn-S Target

Table 3

Parameters of the solar cell with 4.04% efficiency and with 8.04% efficiency.

𝜂/%	𝑉oc/mV	𝐽sc/(mA/cm^2)	FF/%	𝐴	𝑅𝑠/Ω·cm^2	𝑅𝑝/Ω·cm^2	𝐽0 (mA/cm^2)	CZTS band gap	CZTS grain size
4.04%	548.93	14.35	51.31	2.41	5.36	191.91	1.76𝑒−3	1.57	~200 nm
8.4%	661.00	19.50	65.80	2.00	3.66	—	1.40𝑒−3	1.45	~600 nm