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Laser‐Induced Graphene Strain Sensors Produced by Ultraviolet Irradiation of Polyimide
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2018-11-12 , DOI: 10.1002/adfm.201805271 Alexandre F. Carvalho 1 , António J. S. Fernandes 1 , Cátia Leitão 1 , Jonas Deuermeier 2 , Ana C. Marques 2 , Rodrigo Martins 2 , Elvira Fortunato 2 , Florinda M. Costa 1
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2018-11-12 , DOI: 10.1002/adfm.201805271 Alexandre F. Carvalho 1 , António J. S. Fernandes 1 , Cátia Leitão 1 , Jonas Deuermeier 2 , Ana C. Marques 2 , Rodrigo Martins 2 , Elvira Fortunato 2 , Florinda M. Costa 1
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Laser‐induced graphene (LIG) can be obtained by irradiation of a polymer by a laser source. The present work demonstrates that it is possible to obtain this kind of material using an ultraviolet laser instead of the typical infrared source. Using this approach, a fourfold decrease in the penetration depth (5 µm) is achieved, while the spatial resolution is doubled. Electromechanical strain LIG sensors are patterned in polyimide substrates with different thicknesses and their performance to strain, bending, and force inputs is measured. A low‐cost arterial pulse wave monitor is built, exploring the high force sensitivity of the sensors produced on the thinner substrates.
中文翻译：
聚酰亚胺的紫外线照射产生的激光诱导石墨烯应变传感器
激光诱导的石墨烯（LIG）可以通过激光源照射聚合物来获得。本工作表明，可以使用紫外激光代替典型的红外光源来获得这种材料。使用这种方法，可以使穿透深度（5 µm）降低四倍，而空间分辨率提高一倍。机电应变LIG传感器在具有不同厚度的聚酰亚胺基板上进行构图，并测量其对应变，弯曲和力输入的性能。内置了一个低成本的动脉脉搏波监测器，探索了在较薄基板上生产的传感器的高力灵敏度。
更新日期：2018-11-12
中文翻译：
聚酰亚胺的紫外线照射产生的激光诱导石墨烯应变传感器
激光诱导的石墨烯（LIG）可以通过激光源照射聚合物来获得。本工作表明，可以使用紫外激光代替典型的红外光源来获得这种材料。使用这种方法，可以使穿透深度（5 µm）降低四倍，而空间分辨率提高一倍。机电应变LIG传感器在具有不同厚度的聚酰亚胺基板上进行构图，并测量其对应变，弯曲和力输入的性能。内置了一个低成本的动脉脉搏波监测器，探索了在较薄基板上生产的传感器的高力灵敏度。
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