Table 1

Measured cell performance of a-Si solar cells with different front contact. Open circuit voltage (VOC), short circuit current density (JSC), fill factor (FF), sheet resistance of the front contact (RSq) and cell efficiency (η).

Front Contact V OC J SC FF R Sq η
(approximate layer thicknesses) [mV] [mA/cm2] [%] [Ω] [%]

Sample A (700 nm AZO) 779 9.3 49.5 19 3.6

Sample B (8 s Ag/50 nm AZO) 785 10.2 55.7 10 4.5

Sample C (8 s Ag/15 nm AZO/15 nm SiOx) 747 9.7 58.9 8.3 4.3

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