Cu(In,Ga)Se₂ Thin Films Codoped with Sodium and Bismuth Ions for the Use in the Solar Cells

Table 1

Sample names for Cu(In,Ga)Se₂ films doped with varied ions.

Sample	Na	Bi
A	W/o	W/o
B	With	W/o
C	W/o	With
D	With	With