Influence of Anode Area and Electrode Gap on the Morphology of TiO₂ Nanotubes Arrays

Table 1

Electrochemical conditions and the morphologies of the samples.

Exp.	Anode area (cm^2)	Electrode Gap (mm)	Applied voltage; (V)	Average diameter (nm)	Length (μm)
1	5 × 0.5			Without nanotube
2	5 × 1	20		20±5 (with crannies)	—
3	5 × 2			15±5	—
4	5 × 4		10	Without nanotube
5		5		Without nanotube
6		10		15±5 (with crannies)	—
7	5 × 2	40		Without nanotube
8		20	20	75±5	1.0±0.2
9			30	180±20	2±0.4