Abstract
The formation of radicals on the surface of alkaline-earth oxides, Al2O3 and SiO2-Al2O3, has been studied by ESR. The following molecules have been used: nitrobenzene, perylene, anthracene, naphthalene and hexamethylbenzene. The concentration of electrondonor sites increases with increasing Lewis base-strength of the oxides. The concentration of electron-acceptor sites increases with increasing Lewis acid-strength.
The nature of electron donor-acceptor sites and the relation between these and Lewis base-acid sites is discussed.
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References
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© 1980 D. Reidel Publishing Company
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Cordischi, D., Indovina, V., Occhiuzzi, M. (1980). Electron Acceptor and Donor Properties of Oxides, as Investigated by Electron Spin Resonance Spectroscopy. In: Fraissard, J.P., Resing, H.A. (eds) Magnetic Resonance in Colloid and Interface Science. NATO Advanced Study Institutes Series, vol 61. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9079-1_37
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DOI: https://doi.org/10.1007/978-94-009-9079-1_37
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