Phosphorescence-Based Flexible and Transparent Optical Temperature-Sensing Skin Capable of Operating in Extreme Environments AITranslate

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DOI：https://doi.org/10.1021/acsapm.1c00062

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A phosphorescence-based flexible optical temperature-sensing skin was developed for temperature sensing in intelligent bionic robots and automated medical treatment. 4,4-Diamino diphenyl ether and 4,4′-oxydiphthalic anhydride were combined as polyimide for use as the substrate of the flexible sensor. The substrate was doped with 6 μm MFG particles as temperature probes. Ultrasonic dispersion and thermal imidization were used to prepare a 45-μm-thick flexible temperature sensor. Compared with a traditional electronic-based flexible temperature sensor, the flexible temperature sensor has the advantages of noncontact measurement, a wide range of measurement temperature (−150 to 300 °C), high spatial resolution, and accuracy. It can also survive in harsh environments, including extremely low temperatures and high temperatures, and can withstand large deformations and large stresses. Its flexibility, extreme environmental resistance, and excellent mechanical properties show that it has great potential for wireless temperature measurement.