Figure 1

Ti and NTs surfaces imaged by SEM. (A) A top view of the unmodified titanium surface, (B) a top view of the TNT-118 (prepared in aqueous electrolyte), (C) a top view of the TNT-73 (prepared in non-aqueous electrolyte).

Ti and NTs surfaces imaged by SEM. (A) A top view of the unmodified titanium surface, (B) a top view of the TNT-118 (prepared in aqueous electrolyte), (C) a top view of the TNT-73 (prepared in non-aqueous electrolyte).