Graphene-Like Secondary-Laser-Etched Polyimide Film Decorated with Cu_xO Nanocomposites: A Novel Electrode Substrate for Non-Enzymatic Glucose Sensors

Authors

Wan-lin DAI, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510641, P.R. China;
Zhi-wei LU, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510641, P.R. China;
Jian-shan YE, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510641, P.R. China;Follow

Corresponding Author

Jian-shan YE(jsye@scut.edu.cn)

Abstract

In this work, a novel electrode substrate with graphene-like surface and Cu_xO nanocomposites derived from secondary-laser-etched polyimide (SLEPI) film was synthesized and applied in non-enzymatic glucose detection for the first time. Characterizations indicate that the as-prepared SLEPI/Cu_xO film electrode (SLEPI/Cu_xO-FE) possessed huge surface area, plentiful active sites and excellent electrocatalytic performance. The obtained sensor exhibited the high sensitivity and selectivity for glucose determination with a linear range of 0.05 mmol·L^-1 to 3 mmol·L^-1 and a detection limit of 1.72 μmol·L^-1 (S/N=3), which provides a simple, flexible and low-cost electrochemical sensor for diabetes diagnosis.

Graphical Abstract

Keywords

electrochemical sensor, laser-etched, polyimide, CuxO nanocomposite, glucose, non-enzymatic

DOI Link

https://doi.org/10.13208/j.electrochem.181052

Publication Date

2019-04-28

Online Available Date

2019-03-01

Revised Date

2019-02-22

Received Date

2018-12-18

Recommended Citation

Wan-lin DAI, Zhi-wei LU, Jian-shan YE. Graphene-Like Secondary-Laser-Etched Polyimide Film Decorated with Cu_xO Nanocomposites: A Novel Electrode Substrate for Non-Enzymatic Glucose Sensors[J]. Journal of Electrochemistry, 2019 , 25(2): 260-269.
DOI: 10.13208/j.electrochem.181052
Available at: https://jelectrochem.xmu.edu.cn/journal/vol25/iss2/11

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