Table 1 Compositional study of the as-deposited CIGS films by XRF.

From: Effect of Sodium Treatment on the Performance of Electrostatic Spray Assisted Vapour Deposited Copper-poor Cu(In,Ga)(S,Se) 2 Solar Cells

CIGS Samples

Cu (at%)

In (at%)

Ga (at%)

S (at%)

Cu/(In + Ga)

Ga/(In + Ga)

As-deposited

20.56

23.52

7.12

50.4

0.67

0.23

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