Page 201 - Mirjam-Theelen-Degradation-of-CIGS-solar-cells
P. 201
Degradation mechanisms of the aluminium doped zinc oxide front contact
(a)
10 5 -
ZnO -
10 4 AlO 2 OH - -
Intensity (counts) 10 3 Cl - H - O
2
10
10 1 S - C -
10 0 Cu - PO - 3
0 100 200 300 400 500 600
(b) Sputtering depth (nm)
10 5 -
ZnO
10 4 AlO - 2 OH - -
Intensity (counts) 10 2 1 - S -
10 3 H - O Cl -
10
10 0 PO - 3 C Cu -
0 100 200 300 400 500 600
Sputtering depth (nm)
(c)
10 5 OH - ZnO -
10 4 Cl C - - O S - - AlO - 2 H -
Intensity (counts) 10 3 2 PO - 3 -
10
10 1 Cu
10 0
0 100 200 300 400 500 600
Sputtering depth (nm)
Figure 6.17
SIMS depth profiling of the ZnO:Al (a) non-degraded (b) 310 hours exposure to H 2 O/O 2 (c) 310 hours exposure to H 2 O/air.
199
(a)
10 5 -
ZnO -
10 4 AlO 2 OH - -
Intensity (counts) 10 3 Cl - H - O
2
10
10 1 S - C -
10 0 Cu - PO - 3
0 100 200 300 400 500 600
(b) Sputtering depth (nm)
10 5 -
ZnO
10 4 AlO - 2 OH - -
Intensity (counts) 10 2 1 - S -
10 3 H - O Cl -
10
10 0 PO - 3 C Cu -
0 100 200 300 400 500 600
Sputtering depth (nm)
(c)
10 5 OH - ZnO -
10 4 Cl C - - O S - - AlO - 2 H -
Intensity (counts) 10 3 2 PO - 3 -
10
10 1 Cu
10 0
0 100 200 300 400 500 600
Sputtering depth (nm)
Figure 6.17
SIMS depth profiling of the ZnO:Al (a) non-degraded (b) 310 hours exposure to H 2 O/O 2 (c) 310 hours exposure to H 2 O/air.
199
