Abstract
A novel voltammetric sensor was developed by modifying screen-printed graphite electrode (SPGE) with nitrogen doped graphene sheets (N-GSs) to detect bisphenol A. The electrochemical results exhibited that N-GSs / modified SPGE has high sensing performance towards the oxidation of bisphenol A. Excellent results were obtained for bisphenol A detection in the linear range from 0.08 to 300.0 µM with a sensitivity of 0.1626 µA µM-1 and limit of detection of 0.02 µM. Also, the fabricated N‑GSs/SPGE sensor showed good stability. The as-prepared sensor was tested towards the detection of bisphenol A in real samples. The measured results established the great sensing ability of N-GSs/SPGE for bisphenol A with high selectivity and good stability in real samples.
Highlights
Electrochemical sensors based on screen-printed electrodes (SPEs) have gained increasing interest as analytical tools for electro-analysis
A carbon monolayer packed into a 2D honeycomb lattice, has spurred extensive tic interest in the area of electrochemical sensors because of its superior electronic conductivity, low cost, and chemical and mechanical stability [34]
The results show that the oxidation peak current increased upon increasing the scan rate
Summary
The electrochemical detection of bisphenol A using N-GSs modified SPGE is Accurate detection of bisphenol A in real samples is demonstrated n using N-GSs/SPGE as an electrochemical sensor.
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