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. 2017 Jun 1;7:2598. doi: 10.1038/s41598-017-02703-2

Figure 4.

Figure 4

(a) Fractional change in resistance vs. strain for 1-coat, 3-coat and 6-coat films. (b) Resistance change of rGO films at 5% strain normalized to the resistance at 0% strain value vs. number of coats. (c) Strain response of 1-coat sample for up to 10% strain. Resistance vs. strain behavior of 1-coat sample up to 10% strain under cyclic loading test (100 cycles): (d) without meta-layer; (e) with PVA meta-layer.