Influence of Parameters of Cold Isostatic Pressing on TiO₂ Films for Flexible Dye-Sensitized Solar Cells

Figure 4

TEM images of TiO₂ films (a) without CIP and (b, c) with a CIP pressure of 200 MPa and holding time of 600 s. The small inset shows the higher magnification image of each sample.

(a)

(b)

(c)