3 years ago

Sensitive electrochemical detection of tetrabromobisphenol A based on poly(diallyldimethylammonium chloride) modified graphitic carbon nitride-ionic liquid doped carbon paste electrode

Sensitive electrochemical detection of tetrabromobisphenol A based on poly(diallyldimethylammonium chloride) modified graphitic carbon nitride-ionic liquid doped carbon paste electrode
In this study, a sensitive electrochemical method for tetrabromobisphenol A (TBBPA) detection was presented based on an poly(diallyldimethylammonium chloride) modified graphitic carbon nitride-N-butylpyridinium hexafluorophosphate doped carbon paste electrode (CPE). Interestingly, in contrary to the poor electrical conductivity, graphitic carbon nitride (g-C3N4) was found to improve the electrochemical performance of the pure CPE. N-butylpyridinium hexafluorophosphate (NBH), a kind of ionic liquid, was tended to promote the charge transfer of the g-C3N4 doped CPE. While g-C3N4 and NBH were doped into CPE, the g-C3N4-NBH composite presented better promotion to the oxidation of TBBPA. After the parameters were optimized, TBBPA was detected with differential pulse voltammetry in the range of 1nM to 30nM and 30 to 500nM with the detection limit of 0.4nM. The prepared electrode owned the advantages of fairly simple, green and pleasurable sensitivity. Finally, it also could be used to detect TBBPA in the practical samples.

Publisher URL: www.sciencedirect.com/science

DOI: S0013468617319850

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