Figure 3.

Change in T-NT diameter with anodization potential after 1 h anodization. The gap between electrodes was 2 cm. Insets show SEM micrographs of T-NT formed by anodization at 10, 30, and 50 V.

Chappanda et al. Nanoscale Research Letters 2012 7:388   doi:10.1186/1556-276X-7-388
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