A Green Fluorescent Nitrogen-Doped Aromatic Belt Containing a [6]Cycloparaphenylene Skeleton.
- Publisher:
- WILEY-V C H VERLAG GMBH
- Publication Type:
- Journal Article
- Citation:
- Angew Chem Int Ed Engl, 2021, 60, (28), pp. 15291-15295
- Issue Date:
- 2021-07-05
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Angew Chem Int Ed - 2021 - Zhang - A Green Fluorescent Nitrogen‐Doped Aromatic Belt Containing a 6 Cycloparaphenylene.pdf | Published version | 2.04 MB |
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The design and synthesis of nitrogen-doped aromatic belts with conjugated structures still remain a challenge. Here, we report the first nitrogen-doped aromatic belt with a [6]cycloparaphenylene skeleton, which is conveniently synthesized from the easily available calix[3]carbazole. The aromatic belt has a rigid conjugated structure and deep cavity, and it can encapsulate one dichloromethane both in solution and in the solid state. Interestingly, the aromatic belt shows strong green fluorescence with a quantum yield of 0.39 and exhibits a narrow HOMO-LUMO energy gap of 2.02 eV. The belt-shaped conjugated structure composed of three carbazole subunits has specific optoelectronic properties that will promote wide applications in supramolecular chemistry and materials science.
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