Abstract
Abstract For the measurement of resonance Raman (RR) spectra of electrogenerated cation radicals in solution, a column-electrolytic continuous-flow method has been developed. This method has the advantage that the concentration of cation radicals can be easily varied by controlling the applied current. The RR spectra of the thianthrene cation radical (TH+·) have been successfully observed. The structure of TH+· is discussed, based on the assignment of the RR band. The RR spectra of the oxidized solutions of three aromatic amines have also been measured. These spectra were assigned not due to those of cation radicals but to those of dimer cation radicals produced in the consecutive reactions.
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