Research Article
Graphene/Gold Nanocomposites-Based Thin Films as an Enhanced Sensing Platform for Voltammetric Detection of Cr(VI) Ions
Figure 3
Voltammetric responses of bare gold (Au) electrode in different electrolytes: (a) 0.1 M HCl and (b) 0.01 M HCl, respectively (scan rate = 50 mVs−1).