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Table 2 Parameters obtained from illuminated J-V curves.

From: Field modulation in Na-incorporated Cu(In,Ga)Se2 (CIGS) polycrystalline films influenced by alloy-hardening and pair-annihilation probabilities

Device

V oc(V)

J sc(mA cm-2)

FF (%)

Eff (%)

Na restricted

0.626

30.4

57.1

10.9

Na incorporated

0.641

32.0

71.1

14.6

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