Physical Properties of Macroporous Tungsten Oxide Thin Films and Their Impact on the Photocurrent Density

<table>SEM images of (a) WO<sub>3</sub> thin film obtained using polystyrene spheres of 0.1 <i>μ</i>m and (b) polystyrene spheres of 0.5 <i>μ</i>m, before and after annealing at 500°C.</table>

International Journal of Photoenergy

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Figure 2

Figure 2: Physical Properties of Macroporous Tungsten Oxide Thin Films and Their Impact on the Photocurrent Density 