Adhesion Improvement and Characterization of Magnetron Sputter Deposited Bilayer Molybdenum Thin Films for Rear Contact Application in CIGS Solar Cells

Figure 6

AFM 3D images of bilayer Mo stacks with different thickness ratios of bottom/top layers deposited on soda-lime glass substrates: (a) 90 nm/810 nm, (b) 180 nm/720 nm, (c) 270 nm/630 nm, (d) 360 nm/540 nm, and (e) 450 nm/450 nm.

(a) 90 nm/810 nm

(b) 180 nm/720 nm

(c) 270 nm/630 nm

(d) 360 nm/540 nm

(e) 450 nm/450 nm