燃料化学学报（中英文）2025，Vol.53Issue(12)：1807-1816,10.DOI:10.1016/S1872-5813(25)60580-9
基于流动反应器构筑疏水性TiO2高效光催化乙腈C-C偶联制丁二腈
Photocatalytic C-C coupling of acetonitrile into succinonitrile over hydrophobic TiO2 in a flow reactor
摘要
Abstract
A radical C-C-coupling reaction of acetonitrile into succinonitrile over hydrophobic TiO2 photocatalyst with enhanced catalytic activity was developed.In addition,the usage of a flow reactor further improved the photon utilization efficiency for succinonitrile synthesis at room temperature.The space time yield of succinonitrile reached 55.59 μmol/(g h)over hydrophobic TiO2 catalyst,which was much higher than that of pristine TiO2(4.23 μmol/(g h)).Mechanistic studies revealed that the hydrophobic modification of TiO2 promoted the separation and transfer of photogenerated carriers,as well as suppressed their recombination.Hydrophobic TiO2 also enhanced the adsorption of-CH3 of acetonitrile,thus facilitating the activation of C-H bond and the utilization efficiency of photocarriers.关键词
光催化/丁二腈/碳碳偶连/疏水性二氧化钛/流动反应器Key words
photocatalysis/succinonitrile/C-C coupling/hydrophobic TiO2/flow reactor分类
化学化工引用本文复制引用
龚坤,黄敏,李瑞涛,代元元,牛强,林铁军,钟良枢..基于流动反应器构筑疏水性TiO2高效光催化乙腈C-C偶联制丁二腈[J].燃料化学学报（中英文）,2025,53(12):1807-1816,10.基金项目
The project was supported by the National Key R&D Program of China(2021YFF0500703),Natural Science Foundation of Shanghai(22JC1404200),Program of Shanghai Academic/Technology Research Leader(20XD1404000),Natural Science Foundation of China(U22B20136,22293023),Science and Technology Major Project of Inner Mongolia(2021ZD0042)and the Youth Innovation Promotion Association of CAS. （2021YFF0500703）
