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In this paper, wafer-scale flexible strain sensors with high-performance are fabricated in one-step laser scribing. The graphene films could be obtained by direct reducing graphene oxide film in a light-scribe DVD burner. Our graphene strain sensor has the gauge factor (GF) of 0.11. In order to enhance the GF further, the graphene micro-ribbon has been used as strain sensor, which has the GF up to...
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