Table 1 Description of experimental procedure for TNA fabrication.

From: Evolution of rough-surface geometry and crystalline structures of aligned TiO2 nanotubes for photoelectrochemical water splitting

Sample ID

Description

#1

1st stage TNA (after 1 h anodization)

#2

Dimpled sublayer

#3

2nd stage TNA (after 30 min anodization)

#4 (TNA electrode)

Annealed TNA

#5

Dimpled sublayer (after annealing)