Ma Shuai, Liu Qiunan, Cui Jingwang, Rao Caihui, Jia Mengze, Yao Xinrong, Zhang Jie
MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, PR China.
Department of Nanocharacterization for Nanostructures and Functions, The Institute of Scientific and Industrial Research (ISIR-SANKEN), Osaka University, Osaka 565-0871, Japan.
J Colloid Interface Sci. 2023 Mar 15;634:431-439. doi: 10.1016/j.jcis.2022.12.047. Epub 2022 Dec 12.
Using oxygen in the air as the sole oxidant to oxidize hydrocarbons into high value-added compounds is a highly promising synthesis strategy with economic advantages. However, the oxidation of hydrocarbons with molecular oxygen under mild conditions is challenging due to the large C-H bond energy in hydrocarbons. Herein, a metal-free two-dimensional covalent organic polymers (COP) functionalized by photoactive pyridinium units has been developed for heterogeneous photocatalytic oxidation of hydrocarbons. This is the first kind of COPs material that can achieve photocatalytic oxidation of hydrocarbons without any additives or stoichiometric oxidants except for the oxygen in the air.
以空气中的氧气作为唯一氧化剂,将碳氢化合物氧化为高附加值化合物是一种极具前景且具有经济优势的合成策略。然而,由于碳氢化合物中C-H键能较大,在温和条件下用分子氧氧化碳氢化合物具有挑战性。在此,已开发出一种由光活性吡啶鎓单元功能化的无金属二维共价有机聚合物(COP),用于碳氢化合物的多相光催化氧化。这是第一种无需任何添加剂或化学计量氧化剂(除空气中的氧气外)就能实现碳氢化合物光催化氧化的COP材料。