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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Leus, Karen Derakhshandeh, Parviz Gohari Nahra, Fady Driessche, Isabel Van Hecke, Kristof Van Voort, Pascal Van Der Abbasi, Alireza Abednatanzi, Sara Keukeleere, Katrien De Nolan, Steven P. |
| Copyright Year | 2017 |
| Abstract | In this study, we present for the first time the immobilization of phosphotungstic acid (H3PW12O40, HPW) into the nanocages of a dual amino-functionalized ionic liquid (DAIL)-modified MIL-101(Cr) framework under mild conditions. The obtained PW/DAIL/MIL-101(Cr) was evaluated as a catalyst in the oxidation of benzyl alcohol using TBHP in chloroform. In order to obtain insights into the role of the DAIL during catalysis, a DAIL-free catalyst (HPW/MIL-101(Cr)) was also prepared. Both catalysts were fully characterized using several techniques. In comparison with the HPW/MIL-101(Cr) material, PW/DAIL/MIL-101(Cr) showed an enhanced catalytic performance in the selective oxidation of benzyl alcohol. This was mainly attributed to the ability of the DAIL groups to form hydrogen bonds, thus enhancing the accessibility of TBHP. Furthermore, the immobilization of the DAIL groups onto MIL-101(Cr) resulted in increased thermal stability of the obtained PW/DAIL/MIL-101(Cr) which showed stability up to 400 °C. Moreover, the PW/DAIL/MIL-101(Cr) catalyst exhibited good recyclability and selectivity. The catalyst could be reused for at least five cycles with no significant leaching of the tungsten species or loss of crystallinity and activity. |
| Starting Page | 1478 |
| Ending Page | 1487 |
| Page Count | 10 |
| File Format | HTM / HTML PDF |
| ISSN | 20444753 |
| Volume Number | 7 |
| Issue Number | 7 |
| Journal | Catalysis Science & Technology |
| DOI | 10.1039/c6cy02662a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Acid Gold nanocage Chloroform Tungsten Benzyl alcohol DAIL Ionic liquid Hydrogen bond |
| Content Type | Text |
| Resource Type | Article |
| Subject | Catalysis |
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