Novel 4-(2,2,6,6-tetramethylpiperidin-4-ylamino)-1,8-naphthalimide based yellow-green emitting fluorescence sensors for transition metal ions and protons
Bojinov, VB; Panova, IP
| HERO ID | 3575439 |
|---|---|
| In Press | No |
| Year | 2009 |
| Title | Novel 4-(2,2,6,6-tetramethylpiperidin-4-ylamino)-1,8-naphthalimide based yellow-green emitting fluorescence sensors for transition metal ions and protons |
| Authors | Bojinov, VB; Panova, IP |
| Journal | Dyes and Pigments |
| Volume | 80 |
| Issue | 1 |
| Page Numbers | 61-66 |
| Abstract | Two novel yellow-green emitting 1,8-naphthalimides, containing a 4-amino-2,2,6,6-tetramethylpiperidinyl moiety, were configured as "fluorophore-spacer-receptor" systems. The photophysical characteristics of the dyes were investigated in both DMF and water/DMF (4:1, v/v) solutions. The ability of the new compounds to detect cations was evaluated by means of the changes in their fluorescence intensity imparted by the presence of transition metal ions (Cu(2+), Pb(2+), Zn(2+), Ni(2+)) and protons. The presence of metal ions and protons was found to disallow photoinduced electron transfer resulting in enhanced fluorescence intensity. The results clearly show that only Cu(2+) ions and protons were effectively detected, indicating the potential of the novel compounds as highly efficient "off-on" switchers for CU(2+) ions and protons. (C) 2008 Elsevier Ltd. All rights reserved. |
| Doi | 10.1016/j.dyepig.2008.05.007 |
| Wosid | WOS:000259943800012 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Keyword | 1,8-Naphthalimide; Fluorescence; Hindered amine light stabilizer (HALS); 2-(2-Hydroxyphenyl)-benzotriazole UV absorbers; Sensors; Photoinduced electron transfer (PET) |