A novel optical sensor for copper ions based on phthalocyanine tetrasulfonic acid

被引：108

作者：

Kumawat, Lokesh Kumar ^{[1
]}

Mergu, Naveen ^{[1
]}

Singh, Ashok Kumar ^{[1
]}

Gupta, Vinod Kumar ^{[1
,2
]}

机构：

[1] Indian Inst Technol Roorkee, Dept Chem, Roorkee 247667, Uttar Pradesh, India

[2] King Fahd Univ Petr & Minerals, Res Inst, Ctr Environm & Water, Dhahran 31261, Saudi Arabia

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2015年 / 212卷

关键词：

Optical sensor; Chemodosimeter; PCTS; Copper ions; DMSO; ON FLUORESCENT CHEMOSENSOR; COLORIMETRIC SENSORS; VOLTAMMETRIC DETERMINATION; RATIOMETRIC FLUORESCENT; CU2+; PROBE; COMPLEX; ELECTRODE; WATER; EMISSION;

D O I：

10.1016/j.snb.2015.02.027

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Phthalocyanine tetrasulfonic acid (PCTS) performed as a optical probe for selective detection of Cu2+ in DMSO solution over other metal ions used. The complexation behavior of chemodosimeter toward various metal ions has been studied via UV-vis absorption and fluorescence emission spectra. Induced changes were found to be observable from naked eye. The association constant (K-a) and low limit of detection were found to be 8.80 x 10(5) M-1 and 5.53 x 10(-7) M, respectively. The optode showed excellent selectivity behavior in the environmental pH range. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：389 / 394

页数：6

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