Near-infrared light induced cationic polymerization based on upconversion and ferrocenium photochemistry

被引：32
作者：
Meng, Xiaoyan [1 ,2 ]
Lu, Huaqiao [1 ]
Li, Zhiquan [1 ,2 ]
Wang, Chen [1 ]
Liu, Ren [1 ,2 ]
Guan, Xin [1 ]
Yagci, Yusuf [1 ,3 ]
机构：
[1] Jiangnan Univ, Sch Chem & Mat Engn, Minist Educ, Synthet & Biol Colloids, Wuxi 214122, Jiangsu, Peoples R China
[2] Jiangnan Univ, Int Res Ctr Photorespons Mol & Mat, Wuxi 214122, Jiangsu, Peoples R China
[3] Istanbul Tech Univ, Fac Sci & Letters, Dept Chem, TR-34469 Istanbul, Turkey
来源：
POLYMER CHEMISTRY | 2019年 / 10卷 / 41期
关键词：
RADICAL POLYMERIZATION; NIR-LIGHT; PHOTOPOLYMERIZATION; NANOPARTICLES; SALT; PARTICLES; SCIENCE;
D O I：
10.1039/c9py01262a
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel near-infrared (NIR) photoinitiating system for cationic polymerization using upconversion nanoparticles (UCNPs) and ferrocenium salts is reported. The UV-A and visible light emitted by the UCNPs upon NIR irradiation, absorbed by the ferrocenium salts, results in the liberation of aromatic ligand and thus the formed active Lewis acid can efficiently induce the cationic polymerization of oxirane and vinyl monomers. Notably, high "post polymerization" efficiency in dark (>30%) was observed which can compensate the limited upconversion fluorescence efficiency and lead to an improved and uniform conversion of the monomers.
引用
收藏
页码：5574 / 5577
页数：4
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