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高面比碳纳米带的可扩展,分离合成

Harrison M Bergman1, Gavin R Kiel1, Rex C Handford1

  • 1Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.

Journal of the American Chemical Society
|June 4, 2021
PubMed
概括

研究人员开发了一种合成碳纳米带的新方法,提供了更大的结构多样性和可扩展性. 这一突破使得这些碳纳米管类型可用于先进应用的大规模生产.

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相关概念视频

¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...