A new rhodamine-based colorimetric chemosensor for naked-eye detection of Cue2+ in aqueous solution

被引：39

作者：

Hu, Yang ^{[1
]}

Zhang, Jing ^{[2
]}

Lv, Yuan-Zheng ^{[1
]}

Huang, Xiao-Huan ^{[1
]}

Hu, Sheng-li ^{[1
]}

机构：

[1] Hubei Normal Univ, Dept Chem & Environm Engn, Hubei Key Lab Pollutant Anal & Reuse Technol, Huangshi 435002, Peoples R China

[2] Hubei Univ, Fac Mat Sci & Engn, Wuhan 430062, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 157卷

基金：

中国国家自然科学基金;

关键词：

Rhodamine B; Colorimetric probe; Cu2+; Spirolactam; FLUORESCENT CHEMOSENSOR; CU2+; SENSOR; COPPER; RECOGNITION; HYDRAZONE; DISEASE; CU(II); MEDIA; AL3+;

D O I：

10.1016/j.saa.2015.12.031

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A new colorimetric probe 1 based on rhodamine B lactam was developed for naked-eye detection of Cu2+. The optical feature of 1 for Cu2+ was investigated by UV-vis absorption spectroscopy. Upon the addition of Cu2+, the 1 displayed a distinct color change from colorless to pink, which can be directly detected by the naked eye. The stoichiometry of 1 to Cu2+ complex was found to be 1:1 and the naked-eye detection limit was determined as low as 2 mu M. The results suggest that the probe 1 may provide a convenient method for visual detection of Cu2+ with high sensitivity. 2015 Elsevier B.V. All rights reserved.

引用

页码：164 / 169

页数：6

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