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. 2019 Sep 12;14(9):e0221655. doi: 10.1371/journal.pone.0221655

Table 1. Main parameters of photovoltaic cells at various fluences (including no irradiation) from 1×1012 to 1×1015 cm-2 averaged over three samples for each fluence.

[a] indicates the difference in conversion efficiency before and after irradiation. [b] indicates the standard deviation for the performance parameters for all 15 samples before proton irradiation (3ea for each dose).

Dose Voc Jsc FF Ƞ Ƞdif. [a]
(cm-2) (mV) (mA‧cm-2) (%) (%) (%)
Pre Post Pre Post Pre Post Pre Post
Ref. 760 759 22.2 22.1 64.3 64.4 12.0 12.0 0
1×1012 760 772 22.6 21.9 64.7 60.8 12.3 11.5 -0.8
1×1013 755 761 21.2 20.9 64.4 57.5 11.9 10.1 -1.8
1×1014 780 738 22.4 20.8 65.4 53.4 12.5 8.4 -4.1
1×1015 755 673 21.4 9.4 61.4 42.4 11.6 3.4 -8.2
σ[b] 9.00 - 0.56 - 1.37 - 0.31 - -