High Sensitive Sensor Fabricated by Reduced Graphene Oxide/Polyvinyl Butyral Nanofibers for Detecting Cu (II) in Water

<div>Differential pulse stripping voltammetry of GCE/PRGNF in 0.1 M NaAc-HAc (pH 4.4) with various concentrations of Cu (II) (from 0.06~2.2 <i>μ</i>M). Inset is the calibration curve of the stripping peak currents versus the concentrations of Cu (II).</div>

International Journal of Analytical Chemistry

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Figure 6

Figure 6: High Sensitive Sensor Fabricated by Reduced Graphene Oxide/Polyvinyl Butyral Nanofibers for Detecting Cu (II) in Water 