Fig. 5From: Photocatalytic Property of TiO2-Vermiculite Composite Nanofibers via Electrospinning a Comparison of the UV–vis absorption spectra obtained for TiO2 nanofibers with different vermiculite mass fractions calcined in air at 550 °C for 3 h and b (αhυ)2 plotted as a function of the photon energy, E g , for the different TiO2-vermiculite composite nanofibersBack to article page