A colorimetric Fe3+ sensor based on an anionic poly(3,4-propylenedioxythiophene) derivative

被引：39
作者：
Chen, Xiaoming [1 ]
Zhao, Qingchun [1 ]
Zou, Wensheng [1 ]
Qu, Qishu [1 ]
Wang, Feng [1 ]
机构：
[1] Anhui Jianzhu Univ, Sch Mat & Chem Engn, Anhui Key Lab Adv Bldg Mat, Hefei 230601, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 244卷
关键词：
Calorimetric sensor; Metal ion; Dioxythiophene; Conjugated polymer; SELECTIVE FLUORESCENT CHEMOSENSOR; CONJUGATED POLYELECTROLYTES; SENSITIVE DETECTION; AQUEOUS-SOLUTION; LIVING CELLS; METAL-IONS; PROBE; NAPHTHALIMIDE; FE(III); MEDIA;
D O I：
10.1016/j.snb.2017.01.027
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An anionic water-soluble poly(3,4-propylenedioxythiophene) derivative (PProDOTCB-salt) with doublet shaped carboxyl-containing side chains has been applied as a colorimetric sensor to detect Fe3+ in 100% aqueous solutions. The Fe3+-induced disassembly of inter-chain aggregates, conformation changes, intra-chain aggregation of PProDOTCB-salt and its colorimetric and fluorescent responses have been studied by absorption and fluorescence spectroscopy. The results indicate that Fe3+ can be detected with the naked eye through the color change of polymer solutions from purple to faint yellow. In addition the Fe3+ detection ability of the sensor is unaffected with the presence of other commonly coexistent ions. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：891 / 896
页数：6
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