Research Article

Characteristics of Bilayer Molybdenum Films Deposited Using RF Sputtering for Back Contact of Thin Film Solar Cells

Figure 4

Top surface SEM images of Mo films prepared at a sputtering power of 100 W and working pressures of (a) 4.5 mTorr and (b) 12 mTorr.
531401.fig.004a
(a)
531401.fig.004b
(b)