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Here, we report the first nitrogen\u2010doped 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\u2013LUMO energy gap of 2.02\u2005eV. The belt\u2010shaped conjugated structure composed of three carbazole subunits has specific optoelectronic properties that will promote wide applications in supramolecular chemistry and materials science.<\/jats:p>","DOI":"10.1002\/anie.202104259","type":"journal-article","created":{"date-parts":[[2021,5,7]],"date-time":"2021-05-07T05:35:01Z","timestamp":1620365701000},"page":"15291-15295","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":74,"title":["A Green Fluorescent Nitrogen\u2010Doped Aromatic Belt Containing a [6]Cycloparaphenylene Skeleton"],"prefix":"10.1002","volume":"60","author":[{"given":"Fan","family":"Zhang","sequence":"first","affiliation":[{"name":"Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences  Beijing 100190 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