Chitosan-Cu-salen/Carbon Nano-Composite Based Electrode for the Enzyme-less Electrochemical Sensing of Hydrogen Peroxide

被引：2

作者：

Jirimali, Harishchandra Digambar ^{[1
,2
,3
]}

Saravanakumar, Duraisamy ^{[1
,2
,4
]}

Shin, Woonsup ^{[1
,2
]}

机构：

[1] Sogang Univ, Dept Chem, Seoul 121742, South Korea

[2] Sogang Univ, Interdisciplinary Program Integrated Biotechnol, Seoul 121742, South Korea

[3] North Maharashtra Univ, Sch Chem Sci, Jalgaon 425001, MS, India

[4] VIT Univ, Sch Adv Sci, Dept Chem, Vellore 632014, Tamil Nadu, India

来源：

JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY | 2018年 / 9卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Electrochemical sensor; Hydrogen peroxide; Chitosan; Copper complex; Polymer nano-composite; COMPLEXES; SURFACE; SENSOR; FABRICATION; REDUCTION; BEHAVIOR; CHITIN; SALEN;

D O I：

10.33961/JECST.2018.9.3.169

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Cu-Salen complex was prepared and attached into chitosan (Cs) polymer backbone. Nanocomposite of the synthesized polymer was prepared with functionalized carbon nano-particles (Cs-Cu-sal/C) to modify the electrode surface. The surface morphology of (Cs-Cu-sal/C) nanocomposite film showed a homogeneous distribution of carbon nanoparticles within the polymeric matrix. The cyclic voltammogram of the modified electrode exhibited a redox behavior at -0.1 V vs. Ag/AgCl (3 M KCl) in 0.1 M PB (pH 7) and showed an excellent hydrogen peroxide reduction activity. The Cs-Cu-sal/C electrode displays a linear response from 5x10(-6) to 5x10(-4) M, with a correlation coefficient of 0.993 and detection limit of 0.9 mu M (at S/N = 3). The sensitivity of the electrode was found to be 0.356 mu A mu M-1 cm(-2).

引用

页码：169 / 175

页数：7

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