Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Photoelectrolytic Reaction of Chlorophyll–β-Carotene–Quinone Electrodes
Fujio TakahashiRyoichi Kikuchi
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1976 Volume 49 Issue 12 Pages 3394-3397


The NAD+ (nicotinamide adenine dinucleotide) reduction was carried out under illumination by using a platinum electrode coated with chlorophyll and quinone. Various quinones and β-carotene were used as components of the cathode layer to obtain a higher current density. The highest current density, 13 μA/cm2, was obtained in the case in which the cathode layer contained 0.01 μmol/cm2 of chlorophyll and the molar ratio of chlorophyll: chloranil : β-carotene was 1 : 1 : 2. The role of quinone and β-carotene in the cathode layer was discussed.

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