Skip to main content

Table 3 Band gap and electron affinity of Cu(In1−xGax)Se2 alloy composition

From: An investigation into the effects of band gap and doping concentration on Cu(In,Ga)Se2 solar cell efficiency

Ga/(In + Ga) ratio, x Band gap, Eg Electron affinity, χe
0.0 1.04 4.61
0.3 1.20 4.25
0.7 1.40 3.93
1.0 1.67 3.41