Manipulation of MWCNT Concentration in MWCNT/TiO₂ Nanocomposite Thin Films for Dye-Sensitized Solar Cell

Figure 6

Surface roughness images of MWCNT/TiO₂ thin film with different MWCNT concentrations of undoped (a) 0.00 g, (b) 0.01 g, (c) 0.02 g, and (d) 0.03 g added MWCNT.

(a)

(b)

(c)

(d)