Polycarbazoles and polytriphenylamines showing aggregation-induced emission (AIE) and intramolecular charge transfer (ICT) behavior for the optical detection of nitroaromatic compounds

被引：33
作者：
Dong, Wenyue [1 ,2 ]
Pina, Joao [3 ]
Pan, Yuyu [4 ]
Preis, Eduard [1 ,2 ]
Sergio Seixas de Melo, J. [3 ]
Scherf, Ullrich [1 ,2 ]
机构：
[1] Berg Univ Wuppertal, Macromol Chem Grp Buwmakro, D-42097 Wuppertal, Germany
[2] Berg Univ Wuppertal, Inst Polymer Technol, D-42097 Wuppertal, Germany
[3] Univ Coimbra, Dept Chem, Coimbra Chem Ctr, P-3004535 Coimbra, Portugal
[4] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
来源：
POLYMER | 2015年 / 76卷
关键词：
Conjugated polymers; Fluorescence; Sensors; MINOR STRUCTURAL MODIFICATIONS; EFFICIENT LIGHT EMITTERS; SOLID-STATE; GLASS-TRANSITION; MOLECULAR DESIGN; CROSS-LINKING; THIN-FILMS; LUMINOGENS; FLUORESCENCE; EXPLOSIVES;
D O I：
10.1016/j.polymer.2015.08.064
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Acceptor-substituted polycarbazoles (PCzTPAN) and polytriphenylamines (PTPATPAN) bearing electron-deficient 2,3,3-triphenylacrylonitrile (TPAN) side groups have been successfully synthesized. Both of them are aggregation-induced emission (AIE)-active and show intramolecular charge transfer (ICT) behavior. PCzTPAN and PTPATPAN aggregates in 90% water/THF were used for the detection of 1,3,5-trinitrobenzene (TNB) as prototypical nitroaromatic compound. They show amplified PL quenching upon addition of TNB with a maximum quenching constant of 5.5 x 10(5) M-1. As additional application example, the detection of the glass transition temperature of polystyrene (PS) was accomplished for PTPATPAN blended into PS at doping concentrations of 0.1-1.0 wt%. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：173 / 181
页数：9
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