Mechanistic Studies on TiO2 Photoelectrochemical Radical Cation [2 + 2] Cycloadditions

Mechanistic Studies on TiO2 Photoelectrochemical Radical Cation [2 + 2] Cycloadditions

In addition to electrochemical and photochemical approaches, the photoelectrochemical method using semiconductors as photoelectrodes is a third type of approach in the field of synthetic organic chemistry that enables precise control of single electron transfer (SET) reactions. Herein, we report mec...

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Veröffentlicht in:Journal of the Electrochemical Society 2020-12, Vol.167 (15)
Hauptverfasser: Horiguchi, Genki, Kamiya, Hidehiro, Okada, Yohei
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Electroanalytical Electrochemistry
Electrocatalysis
Organic Electrochemistry
Photoelectrochemistry
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creator Horiguchi, Genki
Kamiya, Hidehiro
Okada, Yohei
description In addition to electrochemical and photochemical approaches, the photoelectrochemical method using semiconductors as photoelectrodes is a third type of approach in the field of synthetic organic chemistry that enables precise control of single electron transfer (SET) reactions. Herein, we report mechanistic studies on TiO2 photoelectrochemical redox neutral reactions, where both reductive and oxidative SET are involved, using radical cation [2 + 2] cycloadditions as models. In the presence of platinum nanoparticles or molecular oxygen as electron sink or electron acceptor, respectively, the mechanistic details for the photoelectrochemical reactions can be investigated because the excited electron at the conduction band of TiO2 is removed.
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subjects Electroanalytical Electrochemistry
Electrocatalysis
Organic Electrochemistry
Photoelectrochemistry
title Mechanistic Studies on TiO2 Photoelectrochemical Radical Cation [2 + 2] Cycloadditions
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