柔性传感器是目前可穿戴设备的核心元器件之一,柔性传感器的制备关键在于其柔性基底与传感材料的选取。激光诱导石墨烯凭借其优越的柔韧性、优良的导电性及易与其他纳米材料复合的特点,使其在传感器领域展现出极佳的应用潜力。旨在探讨激光诱导石墨烯的制备功率、形貌及浓度等因素对压力传感器性能的影响。结果表明:在制备功率为7.2W、浓度为10mg/mL,且涂覆次数为4次的条件下,所获传感器展现出最佳的传感性能,其压力检测阈值范围为0～90N。经过一次预热处理后,该传感器在多次重复实验中表现出了出色的稳定性。动态跟踪测试结果显示,其在监测和识别多种简单动作(如击掌和握拳)方面具有良好的应用潜力。
Flexible sensors are one of the core components of wearable devices.The key to the fabrication of flexible sensors lies in the selection of flexible substrates and sensing materials.Laser-induced graphene (LIG),with its superior flexibility,excellent electrical conductivity,and ease of composite formation with other nanomaterials,demonstrates significant potential for applications in the sensor field.This paper aimed to investigate the effects of fabrication power,morphology,and concentration of LIG on the performance of pressure sensors.The results indicated that under conditions of 7.2W fabrication power,10mg/mL concentration,and four coating cycles,the resulting sensor exhibited optimal sensing performance,with a pressure detection threshold range of 0～90N.After a single preheating treatment,the sensor maintained remarkable stability across multiple repeated experiments.Dynamic tracking tests revealed that this sensor was capable of effectively monitoring and recognizing various simple actions,such as clapping and fist clenching.
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基金资助
河南省高等学校重点科研项目基础专项项目(22ZX012);河南省自然科学基金项目(232300420097)
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