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| Content Provider | frontiers |
|---|---|
| Author | Salomon, William Dolbecq, Anne Roch-Marchal, Catherine Paille, Grégoire Dessapt, Rémi Mialane, Pierre Serier-Brault, Hélène |
| Abstract | The luminescent [EuW10O36]9− polyoxometalate has been introduced into the cavities of the highly porous zirconium luminescent metal-organic framework UiO-67 via a direct synthesis approach, affording the EuW10@UiO-67 hybrid. Using a combination of techniques (TGA, BET, elemental analysis, EDX mapping,…) this new material has been fully characterized, evidencing that it contains only 0.25% in europium and that the polyoxometalate units are located inside the octahedral cavities and not at the surface of the UiO-67 crystallites. Despite the low amount of europium, it is shown that EuW10@UiO-67 acts as a solid-state luminescent sensor for the detection of amino-acids, the growth of the emission intensity globally following the growth of the amino-acid pKa. In addition, EuW10@UiO-67 acts as a sensor for the detection of metallic cations, with a high sensitivity for Fe3+. Noticeably, the recyclability of the reported material has been established. Finally, it is shown that the dual-luminescent EuW10@UiO-67 material behave as a self-calibrated-ratiometric thermometer in the physiological range. |
| ISSN | 22962646 |
| DOI | 10.3389/fchem.2018.00425 |
| Volume Number | 6 |
| Journal | Frontiers in Chemistry |
| Language | English |
| Publisher Date | 2018-09-24 |
| Access Restriction | Open |
| Subject Keyword | Metal organic frame work Polyoxometalate (POM) Ratiometric Luminescent Thermometer Sensor Europium |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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