Fig. 4: Features of different liquids from solid–liquid contact electrification and mechanical–electric characterization. | Nature Communications

Fig. 4: Features of different liquids from solid–liquid contact electrification and mechanical–electric characterization.

From: Mechanical–electric dual characteristics solid–liquid interfacing sensor for accurate liquid identification

Fig. 4

A Contact electrification process between FEP and ionic solution. B Compressive force response to different concentrations of NaCl droplets. C, D Sensitivity and saturation voltages of different concentrations of Pb2+, Na+, Cu2+, and Cd2+ solutions. E Sensitivity and saturation voltage of different concentrations of alcohol. F–I Voltage and corresponding pressure of tap water, sparking water, white vinegar, and liquor for the compression displacement of 650 μm, 1000 μm, 1350 μm, 1700 μm, and 2050 μm. J Sensitivity and saturation voltage of tap water, sparking water, white vinegar, and liquor. Source data are provided as a Source Data file.

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