Photochemistry of 5-methylphenazinium salts in aqueous solution. 2. Optical flash photolysis and fluorescence results and a proposed mechanism

…, JR Bolton, RG Brown, G Porter

Index: Chew, Vivian S. F.; Bolton, James R.; Brown, Robert G.; Porter, George Journal of Physical Chemistry, 1980 , vol. 84, # 15 p. 1909 - 1916

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Citation Number: 18

Abstract

The photochemistry of 5-methylphenazinium (MP') salts in aqueous solutions for pH 2-7 has been studied by using fluorescence, optical flash photolysis, and electron paramagnetic resonance (EPR) techniques. A complete mechanism has been proposed which accounts for all of the known observations on this reaction. The fluorescence yield is-1% and independent of pH for pH> 4 but drops sharply for pH< 3 presumably because of the ...