A highly sensitive multifunctional sensor based on phenylene-acetylene for colorimetric detection of Fe2+ and ratiometric fluorescent detection of Cd2+ and Zn2+

被引：58

作者：

Zhang, Yuan-Yuan ^{[1
]}

Chen, Xiang-Zhu ^{[1
]}

Liu, Xing-Yue ^{[1
]}

Wang, Mian ^{[1
]}

Liu, Jing-Jing ^{[1
]}

Gao, Gui ^{[1
]}

Zhang, Xue-Yan ^{[1
]}

Sun, Run-Ze ^{[1
]}

Hou, Shi-Cong ^{[1
]}

Wang, Hong-Mei ^{[1
]}

机构：

[1] China Agr Univ, Dept Appl Chem, Beijing 100193, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 273卷

关键词：

Multifunctional sensors; Iron (II) ion; Zinc ion; Cadmium ion; Water samples; Test paper; LIVING CELLS; AQUEOUS-SOLUTION; DISTINGUISHING CADMIUM; ALZHEIMERS-DISEASE; MOLECULAR SWITCH; SCHIFF-BASE; ZINC IONS; PROBE; SELECTIVITY; CHEMOSENSOR;

D O I：

10.1016/j.snb.2018.07.012

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new multifunctional sensor (L1) based on phenylene-acetylene was designed and synthesized. L1 showed an excellently colorimetric response toward Fe2+ with a detection limit of 2.0X10(-8) M. This result indicated that L1 can sensitive detect Fe2+ by "naked eye" and discriminate iron types in different oxidative states. Simultaneously, L1 can ratiometric fluorescent detection of Cd2+ and Zn2+ with detection limits of 2.62X10(-8)M and 2.03X10(-9) M, respectively. L1 can distinguish Cd2+ and Zn2+ according to differently emissive colours, after addition of Cd2+ and Zn2+ to the blue emissive solution of L1, cyan and yellow-green fluorescence emission were observed, respectively. The binding modes of L1 with Fe2+, Cd2+ and Zn2+ were evidenced by H-1 NMR, Job's plot and ESI-MS. Water samples and On-site WA paper experiments for detecting Fe2+, Cd2+ and Zn2+ were successfully implemented for practical application in environment

引用

页码：1077 / 1084

页数：8

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