Table 3: The values of , , FF, and obtained for different TiO2 thicknesses.

d (μm) (mA/cm2) (mV)FF (%)

26.1608220.8424.262
510.5648220.8387.276
1012.4988220.8338.553
1512.6018220.8308.589
2012.4708220.8288.482
3012.3208220.8278.369
5012.2758220.8268.336