Method for improving sensitivity of strain sensor by optical assistance
A stress sensor, light-assisted technology, applied in the field of stress sensors and sensors, can solve problems such as low sensitivity
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[0030] A method for light-assisted enhancement of the sensitivity of stress sensors such as Figure 5 , 6 As shown, the light-assisted method is used: the stress sensor based on the two-dimensional material receives light while the electrical property changes under the influence of the stress; the light is used as an auxiliary function to inject additional carriers into the two-dimensional material, so that the electrical property changes The amplitude is increased, so as to achieve the purpose of improving the sensitivity of the stress sensor.
[0031] The high-sensitivity stress sensor prepared by the above method includes: a two-dimensional material, a flexible substrate, a conductive electrode, a wire and a light source; the two-dimensional material is placed on the flexible substrate, and the conductive electrode is placed on the two-dimensional material and the flexible between the substrates; illuminate the two-dimensional material part with a light source; connect wir...
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