How can temperature be measured using stretchable electronics?
In this episode, I feature a paper by Wang and colleagues who developed soft temperature sensors that stretch and twist depending on the application. For example, these sensors can be applied to rescue machines that need to navigate complex contours or wearers of smart clothing. The design functions as a charged temperature-sensitive capacitor the generates voltages according to changes in temperature. The voltage is sensitive to temperature, but insensitive to stretch. This way deformation doesn’t affect temperature measurements.
Full citation:
Wang, Y., Jia, K., Zhang, S., Kim, H. J., Bai, Y., Hayward, R. C., & Suo, Z. (2022). Temperature sensing using junctions between mobile ions and mobile electrons. Proceedings of the National Academy of Sciences, 119(4), e2117962119.
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