Figure 2.
Cyclic voltammetry responses of the bare glassy carbon electrode (GCE) (a), WS2/GCE (b), GQDs-WS2/GCE (c), and AuNPs/GQDs-WS2/GCE (d) towards 0.5 mM MG in pH 7.4 phosphate buffer. Scan rate: 100 mV s−1.
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