Abstract
A simple and sensitive chemiluminescence (CL) method on the basis of carbon dot (C-dot) enhanced HCO3−–H2O2 system, is designed for the determination of bisphenol A (BPA). The very weak CL of the HCO3−–H2O2 system is enhanced by a factor of ~100 in the presence of C-dots. Possible mechanisms that lead to the effect were elucidated by recording fluorescence and CL spectra and studying the effect of some radical scavengers. This enhancement is inhibited by BPA in the concentration range from 1.0 to 100µgL−1. This is exploited for its trace determination with a detection limit (3s) of 0.3µgL−1. The established method was applied to the determination of BPA in baby bottle and water samples with satisfactory results.
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