Synthesis of C-N-S-Tridoped TiO₂ from Vietnam Ilmenite Ore and Its Visible Light-Driven-Photocatalytic Activity for Tetracyline Degradation

Figure 6

SEM images of (a) TiO₂, (b) TH-TiO₂ samples, (c, d) HR-TEM images with consistent Fast Fourier Transform (FFT) in insets, and (e) Selected Area Electron Diffraction (SAED) of TH-TiO₂.

(a)

(b)

(c)

(d)

(e)