A Review on TiO₂ Nanotube Film Photocatalysts Prepared by Liquid-Phase Deposition

Figure 6

SEM (a, b) and TEM (c, d) images of self-organized TiO₂ NTs (a, c) and BiOI/TiO₂ NTs (b, d). (a) Top and side (inset) view SEM images of the unmodified TiO₂ NTs. (b) Top SEM image of BiOI/TiO₂ NTs. (c) TEM images of the unmodified TiO₂ NTs. (d) TEM images of BiOI/TiO₂ NTs [56].

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