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The primary products of one-electron oxidation and reduction of the azo dye, 4-N,N-diethylaminoazobenzene, have been spectroscopically characterized in cryogenic matrices. The radical anion of the dye is characterized by the absorption band at 645nm in 2-methyltetrahydrofuran matrix and at 595nm in alcoholic matrices. The radical cation exhibits weak absorption bands at 601, 659, 721 and 791nm in...
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