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Micro and Nano Systems Letters
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Fig. 5 | Micro and Nano Systems Letters

Fig. 5

From: Wearable piezoresistive strain sensor based on graphene-coated three-dimensional micro-porous PDMS sponge

Fig. 5

The measured sensing performance of the piezoresistive strain sensor based on graphene-coated PDMS sponge. a Relative resistance variation of the strain sensor in a 40% strain with stretching/releasing. b Voltage versus current characteristics of sponge at different applied strain. c The measured relative resistance change over fifteen cycles according to time with various maximum strain

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