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Published on: March 4, 2021
Synthesis, Crystal Structure, and Enantiomeric Resolution of a Chiral (18,15) Carbon Nanobelt
Kang Wei1, Xinyu Zhang1, Pengwei Fang1
1Key Laboratory of Precision and Intelligent Chemistry, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, P.R. China.
Abstract:
Chiral carbon nanotubes (CNTs) show significant potential for applications in electronics and optics, yet the selective synthesis of single-chirality CNTs remains a major challenge. Furthermore, enantiopure chiral carbon nanobelts, which constitute conjugated segments of chiral CNTs, have not been reported to date. Here, we present the first synthesis and successful enantiomeric resolution of a chiral (18,15) carbon nanobelt, representing a sidewall segment of the corresponding (18,15) CNT. Single-crystal x-ray diffraction analysis unambiguously confirms its belt-shaped structure and the presence of a pair of enantiomers. Both enantiomers have been successfully isolated, and further studies reveal notable chiroptical properties.
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