作者:Jian You、Hongyuan Fu、Di Zhao、Tianyu Hu、Jun Nie、Tao Wang
DOI:10.1016/j.jphotochem.2019.112097
日期:2020.1
and groups with different electron properties could affect the photochemistry of 3HFs. The influence of substituents on the free radical polymerization efficiencies of 3HFs/TEOA and 3HFs/ONI was evaluated. Results showed that charge transfer occurred in the oxidation or reduction processes between 3HFs and TEOA or ONI. The possible mechanism was speculated, and the thermal feasibility of charge transfer
为了进一步扩大黄酮酚染料(3HFs)在光聚合中的应用,使用Algar–Flynn–Oyamada方法制备了六种具有不同取代基的黄酮醇染料。385 nm LED光源下3HF的稳态光解和荧光猝灭表明,质子转移反应先于3HF与三乙醇胺(TEOA)或碘鎓盐(ONI)之间的电荷转移反应,并且具有不同电子性质的基团可能会影响3HFs的光化学。取代基对3HFs / TEOA和OH自由基聚合效率的影响。评价了3HFs / ONI。结果表明,电荷转移发生在3HFs与TEOA或ONI之间的氧化或还原过程中。推测了可能的机理,并基于光诱导电子转移的自由能变化计算了3HF与TEOA或ONI之间电荷转移的热可行性。