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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Xue, Ming Mu, Ying Liu, Xiaoming Li, Kun Zhi, Yongfeng Xia, Hong |
| Copyright Year | 2017 |
| Abstract | Metal-free, visible-light active and heterogeneous organic photocatalysts offer a more sustainable and environmentally friendly alternative to traditional metal-based catalysts. Here a porous organic hyper-crosslinked polymer, CF-HCP, was successfully synthesized through a facile and cost-effective process. The chemical and structural properties of CF-HCP were fully characterized by using powder X-ray diffraction analysis, Fourier transform infrared spectroscopy, 13C solid-state NMR spectroscopy, electron microscopy, thermogravimetric analysis, X-ray photoelectron spectroscopy and nitrogen adsorption. The new three-dimensional hyper-crosslinked network possesses a high Brunauer–Emmett–Teller (BET) specific surface area up to 1200 m2 g−1 with a pore volume of 0.92 cm3 g−1, and exhibits good thermal, chemical and photochemical stability. Importantly, CF-HCP was found to be a highly effective heterogeneous photocatalyst for a wide range of organic reactions, including the oxidative coupling of primary amines, dehydrogenation of nonactive secondary amine substrates, and selective oxidation of sulfide under visible-light irradiation and using molecular oxygen as a clean oxidant. In particular, mild reaction conditions, ease of product separation by simple filtration, significant recyclability and low cost make this network material an economical and eco-friendly catalyst for the preparation of versatile organic compounds. |
| Starting Page | 8697 |
| Ending Page | 8704 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 20507488 |
| Volume Number | 5 |
| Issue Number | 18 |
| Journal | Journal of Materials Chemistry A |
| DOI | 10.1039/c7ta02205k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Fourier Emmett Polymer X-ray crystallography Infrared spectroscopy Solid-state nuclear magnetic resonance Nuclear magnetic resonance Transmission electron microscopy Thermogravimetric analysis X-ray photoelectron spectroscopy Photoemission spectroscopy Nitrogen Adsorption Specific surface area Photochemistry Photocatalysis Dehydrogenation Amine Sulfide Oxygen |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Renewable Energy, Sustainability and the Environment Materials Science |
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