Research Article

Preparation of Porous F-WO3/TiO2 Films with Visible-Light Photocatalytic Activity by Microarc Oxidation

Table 1

Some properties and apparent rate constants of three samples.

SampleBand gap energy, eVSpecific surface area, m2/g  Apparent rate constant, h−1
UVVis

mTiO22.231.750.530.42
nTiO22.930.16*0.330.28
uTiO23.250.14*0.360.06

*estimated from the AFM measurement [37].