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Photochemie Die effiziente und selektive Reduktion von CO2 zu CO mit solvatisierten Elektronen, die durch UV‐Bestrahlung preisgünstiger Diamantsubstrate erzeugt werden, beschreiben R. J. Hamers et al. in der Zuschrift auf S. 9904 ff.
Reduction of CO2 by direct one‐electron activation is extraordinarily difficult because of the −1.9 V reduction potential of CO2. Demonstrated herein is reduction of aqueous CO2 to CO with greater than 90 % product selectivity by direct one‐electron reduction to CO2.− by solvated electrons. Illumination of inexpensive diamond substrates with UV light leads to the emission of electrons directly into...
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