RAFT方法合成的共聚物荧光探针及其氟离子检测性能

doi:10.7517/j.issn.1674-0475.2014.02.133

影像科学与光化学 ›› 2014, Vol. 32 ›› Issue (2): 133-140.DOI: 10.7517/j.issn.1674-0475.2014.02.133

RAFT方法合成的共聚物荧光探针及其氟离子检测性能

刘国锋¹, 牛海军², 赵平¹

1. 华东理工大学结构可控先进功能材料及其制备教育部重点实验室, 上海 200237;
2. 黑龙江大学功能无机材料教育部重点实验室, 黑龙江哈尔滨 150080

收稿日期:2013-09-18 修回日期:2014-01-10 出版日期:2014-03-15 发布日期:2014-03-15
通讯作者: 赵平
基金资助:
国家自然科学青年基金项目（61306022）和教育部留学回国人员科研启动基金项目（J200-C-1103）资助

Fluoride Chemosensors Based on Fluorescent Polymer via RAFT Polymerization

LIU Guofeng¹, NIU Haijun², ZHAO Ping¹

1. Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P.R. China;
2. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, Department of Macromolecular Material and Engineering, Heilongjiang University, Harbin 150080, Heilongjiang, P.R.China

Received:2013-09-18 Revised:2014-01-10 Online:2014-03-15 Published:2014-03-15

摘要/Abstract

摘要：

本文基于分子间质子转移和诱导分子内电荷转移（ICT）机理，合成了以萘酰亚胺为发光基团、苯甲酰为F^-检测基团的荧光单体，并采用可逆加成-断裂链转移（RAFT）聚合方法将其与N-异丙基甲基丙烯酰胺（NIPAM）进行共聚，制备了一种可以用于F^-检测的共聚物荧光探针poly（NIPAM_m-co-Nap_n）（简称PNap334），并分别在二氯甲烷-二甲基亚砜（9/1，V/V）溶液和固体薄膜中考察了聚合物PNap334对F^-的响应。研究发现，聚合物溶液和聚合物膜对F^-均有很好的识别作用，聚合物溶液对F^-的检测限为1.05 μmol/L。

关键词: RAFT, 共聚物, 探针, 氟离子

Abstract:

Polymeric fluorescent chemosensor, poly(NIPAM_m-co-Nap_n) (abbreviation as PNap334), has been synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. The copolymer consists of 1,8-naphthalimide as luminophore and benzamide as fluoride ions (F^-) selective detection unit. The F^-responsive properties of the resulted copolymer PNap334 were investigated in DCM/DMSO (9/1, V/V) solution and film, respectively. Based on an intermolecular proton transfer (IPT) and induced intramolecular charge transfer (ICT) mechanism, the polymeric chemosensor displays distinct selective detection of F^- both in solution and film. And the detection limit of F^- in solution is 1.05 μmol/L.

Key words: RAFT, copolymer, probe, fluoride anions

刘国锋, 牛海军, 赵平. RAFT方法合成的共聚物荧光探针及其氟离子检测性能[J]. 影像科学与光化学, 2014, 32(2): 133-140.

LIU Guofeng, NIU Haijun, ZHAO Ping. Fluoride Chemosensors Based on Fluorescent Polymer via RAFT Polymerization[J]. Imaging Science and Photochemistry, 2014, 32(2): 133-140.

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RAFT方法合成的共聚物荧光探针及其氟离子检测性能

Fluoride Chemosensors Based on Fluorescent Polymer via RAFT Polymerization

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