Supertwistacene : A Helical Graphene Nanoribbon
This work describes a synthetic chiral graphene nanoribbon, named supertwistacene 1. It has four superbenzene (HBC) units linearly fused in a helical manner. The structure of 1, 4.3 nm in length, with an end-to-end twist of 117°, was confirmed by single-crystal X-ray diffraction. In contrast to various twistacene compounds and their analogues, 1 has a very stable configuration. It resists thermal isomerization even when being heated at 200 °C for 16 h. Enantiopure 1 obtained by chiral HPLC shows distinct CD signals in a broad spectral range until 600 nm. In addition, two smaller congeners of 1, the trimer 2 and the dimer 3, were also prepared and systematically investigated. Combining theoretical and experimental studies on 1-3 presents a big picture on their (chir)optical and electronic characteristics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:142 |
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| Enthalten in: |
Journal of the American Chemical Society - 142(2020), 39 vom: 30. Sept., Seite 16887-16893 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ma, Shuang [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 22.01.2021 Date Revised 22.01.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/jacs.0c08555 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM314728392 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a This work describes a synthetic chiral graphene nanoribbon, named supertwistacene 1. It has four superbenzene (HBC) units linearly fused in a helical manner. The structure of 1, 4.3 nm in length, with an end-to-end twist of 117°, was confirmed by single-crystal X-ray diffraction. In contrast to various twistacene compounds and their analogues, 1 has a very stable configuration. It resists thermal isomerization even when being heated at 200 °C for 16 h. Enantiopure 1 obtained by chiral HPLC shows distinct CD signals in a broad spectral range until 600 nm. In addition, two smaller congeners of 1, the trimer 2 and the dimer 3, were also prepared and systematically investigated. Combining theoretical and experimental studies on 1-3 presents a big picture on their (chir)optical and electronic characteristics | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Gu, Jiajian |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Chaojun |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Zhixing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Yanpeng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jiaobing |e verfasserin |4 aut | |
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