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Enhancement of the Luminescence Properties of Eu (III) Containing Paramagnetic Saponite Clays
| Content Provider | MDPI |
|---|---|
| Author | Marchesi, Stefano Bisio, Chiara Carniato, Fabio |
| Copyright Year | 2021 |
| Description | In this study, 1,10-phenanthroline molecules were introduced in the interlayer space of a paramagnetic synthetic saponite clay containing both $Eu^{3+}$ and $Gd^{3+}$ ions in structural positions. Two samples with different loading of phenanthroline dye were prepared. The resulting hybrid materials possessed improved optical emission properties due to an efficient antenna effect from the phenanthroline to the $Eu^{3+}$ centers; this effect was demonstrated to be higher than the metal-to-metal $Gd^{3+}-Eu^{3+}$ energy transfer previously studied. Insights on the relaxometric properties in aqueous solution of the solids after incorporation of the antenna groups were also obtained through NMR relaxometric analyses. |
| Starting Page | 8903 |
| e-ISSN | 20763417 |
| DOI | 10.3390/app11198903 |
| Journal | Applied Sciences |
| Issue Number | 19 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-09-24 |
| Access Restriction | Open |
| Subject Keyword | Applied Sciences Europium Gadolinium Phenanthroline Clay Saponite Energy Transfer Luminescence Relaxometry |
| Content Type | Text |
| Resource Type | Article |
