银色装饰的激光诱导石墨烯用于线性,灵敏和几乎无歇斯底里的压力阻抗应变传感器
Fatemehsadat Abedheydari1, Sadegh Sadeghzadeh2, Mohammad Saadatbakhsh1,3
1Smart Micro/Nanoelectromechanical Systems (SMNEMS) Lab, School of Advanced Technologies, Iran University of Science and Technology, Tehran, Iran.
Scientific reports
|November 20, 2024
概括
银涂层增强了激光诱导石墨烯 (LIG) 传感器,以提高电导率和电机性能. 这些增强的传感器显示出可靠的血脉监测和商业应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 传感器技术 传感器技术
背景情况:
- 激光诱导石墨烯 (LIG) 为石墨烯合成提供了一种可扩展和经济的方法.
- 开发先进的传感器需要优化材料特性以提高性能.
研究的目的:
- 调查银 (Ag) 涂层对基于LIG的应变传感器性能的影响.
- 评估Ag涂层LIG传感器的机电行为和可靠性,以了解潜在的应用.
主要方法:
- 银子被喷到激光诱导的石墨烯传感器上.
- 涂层和未涂层传感器的电阻和电机行为 (测量因子) 在循环拉伸应变下进行了测试.
- 进行血液脉冲测量以评估传感器的可靠性.
主要成果:
- 银涂层稍微降低了电阻,表明电导率提高.
- 与未涂层传感器相比,Ag涂层LIG传感器的度因子显著增加,特别是在更高的应变时 (增加高达82%).
- Ag涂层传感器显示出更均和可靠的血脉测量,与商用脉冲氧计相匹配.
结论:
- 银涂层有效地提高了基于LIG的应变传感器的电机性能和可靠性.
- 开发的传感器具有很高的灵敏度和线性,适用于测量高达70%的应变.
- 这些发现凸显了Ag涂层LIG传感器在各种应用中的商业化潜力,包括生理监测.
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