Sensing behavior and logic operation of a colorimetric fluorescence sensor for Hg2+/Cu2+ ions

被引：26

作者：

He, Tian ^{[1
]}

Lin, Cuiling ^{[1
]}

Gu, Zhengye ^{[1
]}

Xu, Luonan ^{[1
]}

Yang, Anle ^{[1
]}

Liu, Yuanyuan ^{[1
]}

Fang, Huajun ^{[1
]}

Qiu, Huayu ^{[1
]}

Zhang, Jing ^{[1
]}

Yin, Shouchun ^{[1
]}

机构：

[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Hangzhou 310036, Zhejiang, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 167卷

基金：

中国国家自然科学基金;

关键词：

BODIPY; Molecular logic gate; Mercury (II); Copper (II); Colorimetric sensors; Fluorescent sensors; ON FLUORESCENT; AQUEOUS-MEDIUM; CU2+; CHEMOSENSOR; BODIPY; HG2+; PROBE; GATES; FE3+; BENZOTHIAZOLE;

D O I：

10.1016/j.saa.2016.05.032

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A BODIPY-based 1 as a colorimetric fluorescence sensor was synthesized, and its metal sensing property was investigated. 1 displayed high selectivity and sensitivity towards Hg2+ and Cu2+ ions among 15 different metal cations. The addition of Hg2+ and Cu2+ ions into 1 in CH3CN resulted in a significant bathochromic shift of the UV absorption spectra from 533 nm to 560 nm and 593 nm, respectively, changing the corresponding colors from pink to purple and blue. When excited at 530 nm, the fluorescence intensity of 1 was quenched over 75% upon addition of Hg2+ ions, while 1 with Cu2+ ions exhibited significant fluorescence enhancement with a 23 nm red-shift. Based on these results, three logic gates (OR, IMPLICATION, and INHIBIT) were obtained by controlling the chemical inputs. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：66 / 71

页数：6

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