The temperature increase in carbon materials during magic-angle spinning solid-state nuculear magnetic resonance measurements

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  • Hata Koichiro
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • Ideta Keiko
    Institute for Materials Chemistry and Engineering, Kyushu University
  • Toda Shigemi
    Tokai Carbon Co., Ltd.
  • Nakabayashi Koji
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University Institute for Materials Chemistry and Engineering, Kyushu University
  • Mochida Isao
    Institute for Materials Chemistry and Engineering, Kyushu University
  • Yoon Seong-Ho
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University Institute for Materials Chemistry and Engineering, Kyushu University
  • Miyawaki Jin
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University Institute for Materials Chemistry and Engineering, Kyushu University

Description

<p>The structure of carbon materials and their precursors can be studied by magic-angle spinning solid-state nuclear magnetic resonance (MAS-SS-NMR). The state and structure of adsorbed and/or intercalated molecules and ions on/in the carbon materials can also be determined using this method. Eddy currents induced by the magnetic field during measurements cause a temperature increase in conducting carbon materials. The effects of various physical and chemical characteristics of the carbon materials on this temperature increase were investigated. The oxygen content was found to be the dominant factor determing the temperature increase, with a higher oxygen content giving a smaller temperature increase. This correlation enables a rough estimate of the temperature increase in carbon materials prior to performing MAS-SS-NMR measurements.</p>

Journal

  • Carbon Reports

    Carbon Reports 2 (3), 179-184, 2023-09-01

    The Carbon Society of Japan

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