Back Cover: Visible‐Light‐Promoted Switchable Selective Oxidations of Styrene Over Covalent Triazine Frameworks in Water (Angew. Chem. Int. Ed. 15/2023)

Abstract

Covalent triazine frameworks were designed as metal-free and recyclable photocatalysts for visible-light-driven switchable selective oxidation of styrene into benzaldehyde or styrene oxide. As reported by Kai A. I. Zhang and co-workers in their Research Article (e202216159), the product formation selectivity was achieved by activation or deactivation of the specific photogenerated oxygen species in pure water.