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
收藏
页码：1077 / 1084
页数：8
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