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使用基于WO₃-PdPt-Pt纳米复合膜的光纤气传感器早期检测气泄漏

Jixiang Dai¹, Zhangning Chen¹, Rundong Yang¹

¹National Engineering Research Center for Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China.

Nanomaterials (Basel, Switzerland)

|June 11, 2025

概括

这项研究介绍了一种新的光纤气传感器,用于在能系统中快速检测泄漏. 传感器提供高灵敏度和快速响应时间,这对于安全至关重要.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
传感器技术传感器技术

背景情况:

能能源系统需要快速检测气体泄漏,以防止事故.
现有的探测方法可能缺乏关键应用所需的速度和灵敏度.

研究的目的:

开发一个紧的光纤探测系统,具有高灵敏度和快速响应.
为了证明该系统在能设施的早期预警方面的有效性.

主要方法:

作为传感元件,采用了涂上WO3-PdPt-Pt纳米复合材料薄膜的单模光纤.
采用激光二极管 (LD) 作为光源和两个光电探测器 (PD) 进行信号检测.
在特定功率条件下 (6mW) 测试了传感器对不同度 (3-10,000 ppm) 的反应.

主要成果:

实现了0.44s和0.34s的超快响应时间,分别为4000ppm和10,000ppm的.
显示的低检测极限为3ppm.
在广泛的度范围内 (3-10,000 ppm) 证实了传感器的良好重复性.

结论:

开发的光纤气传感器系统显示了在能源设施中实时检测气泄漏的巨大潜力.
它的高灵敏度,快速响应和可重复性使其成为提高基础设施安全性的有希望的解决方案.
这项技术可以有助于防止在日益增长的能能源行业中发生伤亡和爆炸.

关键词:

在WO3-PdPt-Pt纳米复合材料薄膜.气传感器是一种气传感器.光强度解调光强度解调.有光纤的光学纤维.

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