Thickness (µm) Combination

C1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C11

CIGS

2

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

Si

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2