Anodic Oxidation Synthesis of One-Dimensional TiO₂ Nanostructures for Photocatalytic and Field Emission Properties

Figure 7

(a) J-E plots and (b) corresponding F-N plots for nanoparticle-decorated TiO₂ nanotubes at a different sample-anode separation, d; (c) the variation in field enhancement factor (𝛽) with a distance (d); (d) stable emission current recorded from ridged nanotubes.

(a)

(b)

(c)