Fig. 4: Theoretical calculation of the relationship curves of the thin-film sensor. | Nature Communications

Fig. 4: Theoretical calculation of the relationship curves of the thin-film sensor.

From: Quantum effect-based flexible and transparent pressure sensors with ultrahigh sensitivity and sensing density

Fig. 4

a Sketch of urchin-like hollow carbon sphere, polydimethylsiloxane, urchin-like hollow carbon sphere (UHCS-PDMS-UHCS) units when pressure is exerted. b Three-dimensional diagram of the current density versus the concentration and diameter of the urchin-like hollow carbon sphere (UHCS). c Relationship between the current density and the fraction of UHCS. d Results of the electrical conductivity test with different concentrations of urchin-like hollow carbon sphere polydimethylsiloxane film (UHCS-PDMS) and a fitting curve of the percolation effect. The error bars represent one standard deviation.

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