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Fig. 10 | Nanoscale Research Letters

Fig. 10

From: Highly Sensitive Ethanol Chemical Sensor Based on Novel Ag-Doped Mesoporous α–Fe2O3 Prepared by Modified Sol-Gel Process

Fig. 10

a Cyclic voltammograms of mesoporous 1wt.%Ag/Fe2O3-modified GCE measured in 0.1 M PBS solution (pH = 7) containing 0.2 mM ethanol at various scan rates of 25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, 325, 350, 375, 400, 450, and 500 mV/s. Plot of anodic peak current versus scan rate (b) and versus square root of scan rate (c)

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