3 years ago

Aqueous Oxidations Started by TiO2 Photoinduced Holes Can Be a Rate-Determining Step

Aqueous Oxidations Started by TiO2 Photoinduced Holes Can Be a Rate-Determining Step
Jincai Zhao, Hongwei Ji, Yuanzheng Gong, Wanhong Ma, Chuncheng Chen, Chun Yang
In aqueous TiO2 photocatalytic hydroxylation of weakly polar aromatics, a series of inverse H/D KIEs of 0.7–0.8 were observed, which is different than the normal H/D kinetic isotope effects (KIEs) usually observed for polar aromatics. This result indicated that the oxidation started by photo-induced hvb+ can be the rate-determining step. In aqueous TiO2 photocatalytic hydroxylation of weakly polar aromatics, a series of inverse H/D KIEs of 0.7–0.8 were observed which is different than the normal H/D kinetic isotope effects (KIEs) usually observed for polar aromatics.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/asia.201700658

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