H. Ping et al., ESR-ELECTROCHEMISTRY IN-SITU STUDIES ON CHEMICALLY-MODIFIED ELECTRODES, Journal of electroanalytical chemistry [1992], 405(1-2), 1996, pp. 217-221
A carbon powder electrode was chemically modified with two phenols. It
s oxidized products, quinones, were studied by voltammetry and in-situ
ESR techniques. The surface quinones were reduced through the semiqui
none. Their possible surface configurations were inferred from the ESR
spectra.