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Updated: Jul 6, 2026

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在C168石中通过吸附分离CO2和N2:量子力学和分子模拟研究研究的结合

Jianwen Jiang1, Stanley I Sandler

  • 1Center for Molecular and Engineering Thermodynamics, Department of Chemical Engineering, University of Delaware, Newark, Delaware 19716, USA. jiangj@che.udel.edu

Journal of the American Chemical Society
|August 25, 2005
PubMed
概括

精确的量子力学模拟表明,纳米孔状碳有效地将二氧化碳 (CO2) 与烟气中的 (N2) 分开. 这凸显了这些材料在气体分离应用中的潜力.

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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...