Preparation of H2O2 sensor based on Ag nanoparticle doped polyimide

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  • 1. School of Chemical Engineering,Liaoning University of Science and Technology, Anshan 114051;
    2. College of Chemistry and Environmental Engineering,Yingkou Institute of Technology,Yingkou 115014

Received date: 2020-02-06

  Revised date: 2021-03-04

  Online published: 2021-06-10

Abstract

A novel non-enzymatic sensor for the detection of hydrogen peroxide(H2O2) was prepared.It is based on a polyimide(PI) and Ag nanoparticle composite modified glassy carbon electrode.The structure and morphology of the modified electrode surface were characterized by scanning electron microscopy and atomic force microscopy.The electrochemical performance of the sensor was evaluated by cyclic voltammetry and amperometry.The results showed that under optimum conditions,the calibration plot were linear in the range of 0.01~28.88mM,with a detection limit of 0.04mM when the S/N was 3.The electrode exhibited high stability,great sensitivity,stable reproducibility and fast response time (less than 4s).It shown that PI can be used as a performance reliable and long-life sensor for H2O2 detection,exhibiting a new application for PI.

Cite this article

Chen Lin, Wang Yue, Hu Zhizhi, Lu Yunhua, Zhu Zhengyi, Zhu Kai, Xing Ji . Preparation of H2O2 sensor based on Ag nanoparticle doped polyimide[J]. New Chemical Materials, 2021 , 49(5) : 64 -68 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.05.015

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