Page 114 - Mirjam-Theelen-Degradation-of-CIGS-solar-cells

Chapter 4

100 100 100

80 o C) 80 o C) 80 o C)
Temperature ( Temperature (
60 60 60 Temperature (

40 40 40

20 20 20
40 2 30 Short circuit current density (mA/cm ) 4 3 2 Series resistance () 1 2 0.06 0.04 0.02 0.00 Saturation current density (mA/cm )

100 100 100

80 o C) 80 o C) 80 o C)
Temperature ( Temperature (
60 60 60 Temperature (

40 40 40

20 20 20
0
0.6 0.5 0.4 Open circuit voltage (V) 1200 1000 800 600 400 Shunt resistance () 200 40 2 35 30 Photocurrent density (mA/cm ) 25

SLG Au contacts Polyimide SLG In contacts 100 80 o 100 80 o 100 80 o C)

Temperature ( C) Temperature ( C)

60 60 60 Temperature (

40 40 40

20 20 20
16 12 8 Efficiency (%) 4 70 60 50 Fill Factor (%) 40 3 2 Ideality factor 1

Figure 4.3 
Temperature dependency of the open circuit voltage (V oc ), short circuit current density (J sc ), fill factor (FF), efficiency (η), series
resistance (R s ) and shunt resistances (R sh , with logarithmic axis), photocurrent density (J ph ), saturation current density (J 0 ) and
ideality factor (n) for one single cell from all three batches. SLG Au: blue squares - SLG In: green triangles – PI: red circles

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