Determination of Hydrogen Peroxide on Modified Glassy Carbon Electrode by Polytetrakis(2-aminophenyl)porphyrin Nanowire

被引：6
|
作者：
Jeong, Haesang [3 ]
Kim, Songmi [1 ,2 ]
Seol, Heejin [1 ,2 ]
You, Jung-Min [1 ,2 ]
Jeong, Eun Seon [1 ,2 ]
Kim, Seul Ki [1 ,2 ]
Seo, Kyung-Sik [3 ]
Jeon, Seungwon [1 ,2 ]
机构：
[1] Chonnam Natl Univ, Dept Chem, Kwangju 500757, South Korea
[2] Chonnam Natl Univ, Inst Basic Sci, Kwangju 500757, South Korea
[3] Momed Co, Nano Bio Applicat Lab, Kwangju 500480, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2009年 / 30卷 / 12期
关键词：
Porphyrin nanowire; Single-walled carbon nanotubes; Hydrogen peroxide; Electrochemical sensor; Amperometry; POLY(NEUTRAL RED); ELECTROCATALYTIC OXIDATION; ASCORBIC-ACID; NANOTUBES; DOPAMINE; ARRAYS; FILM; FABRICATION; ELECTROPOLYMERIZATION; NOREPINEPHRINE;
D O I：
10.5012/bkcs.2009.30.12.2979
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nanowires of polytetrakis(o-aminophenyl)porphyrin (PTAPPNW) were fabricated by electrochemical polymerization with the cyclic voltammetric method in anodic aluminum oxide (AAO) membranes. The glassy carbon electrode (GCE) modified by PTAPPNW, single-walled carbon nanotubes (SWNT) and Nafion as a binder was investigated with voltammetric methods in a phosphate buffer saline (PBS) solution at pH 7.4. The PTAPPNW + SWNT + Nafion/GCE exhibited strongly enhanced voltammetric and amperometric sensitivity towards hydrogen peroxide (H2O2), which shortened the response time and enhanced the sensitivity far H2O2 determination at an applied potential of 0.0 V by amperometric method. The PTAPPNW + SWNT + Nafion/GCE can be used to monitor H2O2 at very low concentrations in biological pH as an efficient electrochemical H2O2 sensor.
引用
收藏
页码：2979 / 2983
页数：5
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