A novel electrochemical sensor based on a glassy carbon electrode modified with Cu–MWCNT nanocomposites for determination of hydroquinone
作者： Youzhi Yao , Yunchun Liu , Zhousheng Yang
DOI: 10.1039/C5AY03271G
关键词:
摘要: A new electrochemical sensor based on copper nanoparticles (Cu NPs) and multi-walled carbon nanotubes (MWCNTs) was fabricated for the determination of hydroquinone (HQ). type spotty-like Cu NP located MWCNT (Cu–MWCNT) nanocomposites synthesized with a microwave-assisted method. The morphology phase Cu–MWCNTs nanocomposite were characterized using scanning electron microscopy (SEM) X-ray powder diffraction (XRD). Cyclic voltammetry (CV) impedance spectroscopy (EIS) performed to characterize performance surface characteristics as-prepared sensor. composite electrode exhibited excellent activity increased signals towards redox HQ, owing synergistic effect NPs MWCNTs. Under optimized conditions, linear response range from 0.10 100 μM HQ. detection limit HQ as low 0.04 μM. Moreover, modified presented good reproducibility anti-interference performance. developed evaluated in practical samples satisfying results.
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