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Graphite oxide structure and H2O sorption capacity

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Abstract

High-resolution PMR and ESR have been applied to aqueous dispersions of graphite oxide. The PMR spectra show three resonances. The signals in the region ofδ 7 ppm andδ 0 ppm are due to protons in water molecules directly bound to electrondonor centers in the graphite oxide respectively of carbonyl and free-radical types. The latter case is characterized by a single isotropic signal in the ESR spectrum having g factor 2.003. The third broad PMR signal (δ 5 ppm) relates to water molelcules placed between the layers of the graphite oxide in hydrogen-bonded associated forms.

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Authors and Affiliations

  1. Surface Chemistry Institute, Ukrainian Academy of Sciences, Kiev

    G. A. Karpenko, V. V. Turov, N. I. Kovtyukhova, É. A. Bakai & A. A. Chuiko

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  1. G. A. Karpenko
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  2. V. V. Turov
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  3. N. I. Kovtyukhova
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  4. É. A. Bakai
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  5. A. A. Chuiko
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Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 26, No. 1, pp. 102–106, January–February, 1990.

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Karpenko, G.A., Turov, V.V., Kovtyukhova, N.I. et al. Graphite oxide structure and H2O sorption capacity. Theor Exp Chem 26, 94–97 (1990). https://doi.org/10.1007/BF00943889

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  • DOI: https://doi.org/10.1007/BF00943889

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