Page 251 - Mirjam-Theelen-Degradation-of-CIGS-solar-cells

The impact of atmospheric species

(a) (b)

Reference Reference air
10 5 10 5

Intensity (counts) 10 4 3 10 4 3

10
10

10 2 10 2
0 1000 2000 3000 4000 0 1000 2000 3000 4000
(c) (d)
Unpurged H 2 O H 2 O/O 2
10 5 10 5

Intensity (counts) 10 4 3 10 4 3

10
10

10 2 10 2
0 1000 2000 3000 0 1000 2000 3000
(e) (f)
H 2 O/air H 2 O/CO 2 /N 2
10 5 10 5
Intensity (counts) 10 4 3 10 4 3

10
10
10 2 10 2
0 1000 2000 3000 0 1000 2000 3000
Sputtering time (s) Na Zn Sputtering time (s)
K O
OH Al
Cd Cu
Figure 8.8 S Mo
Depth profiles as obtained by SIMS measurements of CIGS solar cells: the (a) glovebox and (b) air reference sample as well as
the solar cells exposed for 340 hours to (c) H 2 O, (d) H 2 O/O 2 , (e) H 2 O/CO 2 /N 2 and (f) H 2 O/air . The gallium, indium and selenium
profiles are not included.

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