Electron Acceptor and Donor Properties of Oxides, as Investigated by Electron Spin Resonance Spectroscopy

  • D. Cordischi
  • V. Indovina
  • M. Occhiuzzi
Conference paper
Part of the NATO Advanced Study Institutes Series book series (ASIC, volume 61)


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.


Radical Cation Electron Spin Resonance Spectroscopy Donor Property Electron Acceptor Molecule Acceptor Surface State 
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Copyright information

© D. Reidel Publishing Company 1980

Authors and Affiliations

  • D. Cordischi
    • 1
  • V. Indovina
    • 1
  • M. Occhiuzzi
    • 1
  1. 1.Centro di Studio del CNR su “Struttura ed Attività Catalitica di Sistemi di Ossidi” (SACSO), Istituto di Chimica Generale ed InorganicaUniversità di RomaRomaItaly

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