Research Article
Photoluminescence Enhancement of Titanate Nanotubes by Insertion of Rare Earth Ions in Their Interlayer Spaces
Figure 3
Room temperature PL spectra of RE-TiNts and Na-TiNts samples at (a) atmospheric pressure and (b) under vacuum (~10−5 Pa). Some absorptions peaks due to RE ions inserted into the nanotubes can be seen.
| (a) |
| (b) |