Graphene/Gold Nanocomposites-Based Thin Films as an Enhanced Sensing Platform for Voltammetric Detection of Cr(VI) Ions

<table>Cyclic voltammogram response of AuNPs-chi-graphene/gold electrode to 200 <i>μ</i>M Cr(VI) in 0.1 M HCl (scan rate = 50 mVs<sup>−1</sup>).</table>

Journal of Nanotechnology

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Figure 6

Figure 6: Graphene/Gold Nanocomposites-Based Thin Films as an Enhanced Sensing Platform for Voltammetric Detection of Cr(VI) Ions 