Electrospinning Synthesis and Photocatalytic Activity of Mesoporous TiO₂ Nanofibers

Figure 3

TEM images of (a) the PVP/TBT composite nanofibers and TiO₂ nanofibers obtained at (b) 500°C, (c) 600°C and (d) 700°C, respectively.

(a)

(b)

(c)

(d)