Reaction Kinetics Study of All cis-Polyaniline Nanotube Film Modified Electrode for Fast Ascorbic Acid Detecting

Xuli Ma; Lianxi Si; Xiumin Li; Haiyan Du; Xiaogang Hao; Zhongde Wang; Abuliti Abudula; Guoqing Guan

doi:10.1252/jcej.15we314

Materials Engineering and Interfacial Phenomena

Reaction Kinetics Study of All cis-Polyaniline Nanotube Film Modified Electrode for Fast Ascorbic Acid Detecting

Xuli Ma, Lianxi Si, Xiumin Li, Haiyan Du, Xiaogang Hao, Zhongde Wang , Abuliti Abudula, Guoqing Guan

Author information

Xuli Ma
Department of Chemical Engineering, Taiyuan University of Technology
North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University
Lianxi Si
Department of Chemical Engineering, Taiyuan University of Technology
Xiumin Li
Graduate School of Science and Technology, Hirosaki University
Haiyan Du
Department of Chemical Engineering, Taiyuan University of Technology
Xiaogang Hao
Department of Chemical Engineering, Taiyuan University of Technology
Zhongde Wang Corresponding author
Department of Chemical Engineering, Taiyuan University of Technology
Abuliti Abudula
North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University
Guoqing Guan
Graduate School of Science and Technology, Hirosaki University
North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University

Keywords: All cis-Polyaniline Nanotube Film, Unipolar Pulse Electro-Polymerization Method, Sensor, Ascorbic Acid, Electrooxidation

JOURNAL RESTRICTED ACCESS

2016 Volume 49 Issue 10 Pages 937-942

DOI https://doi.org/10.1252/jcej.15we314

Details

Abstract

A reaction kinetics study was performed for all cis-polyaniline nanotube (ACPN) film modified electrode for fast ascorbic acid detecting. An ACPN film modified electrode exhibited excellent electrocatalytic activity, a low detection limit and a high sensitivity to ascorbic acid (AA). It is found that AA can be electro-catalytically oxidized on an ACPN film even at a concentration less than 1 mM. A mechanism of AA electrooxidation on the ACPN film modified electrode was proposed. Furthermore, the detection sensitivity was regulated by tuning the film thickness, and the optimized fabrication conditions for the ACPN film modified electrode was obtained. Based on the reaction kinetics study, the catalytic rate constant for the best electrode was found to be 6.3×10⁶ cm³·mol⁻¹·s⁻¹. It is expected that such a sensor based on the ACPN film can be widely applied for AA detection.

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