非高分子传感膜表面声波气体传感器对卷烟的快速检测

2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS) Pub Date : 2015-06-21 DOI:10.1109/TRANSDUCERS.2015.7181206

C. Y. Cheng, H. Hao, S. Huang, C. M. Yang, K. Tang, D. Yao

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引用次数: 0

摘要

摘要采用改性中空介孔碳纳米球包覆表面声波(SAW)气体传感器，取代一般使用的聚合物作为新型传感材料，用于检测3-乙基吡啶。这种非聚合物传感层比聚丙烯酸更敏感，因为硝酸处理后的羧基更多，而多孔结构带来的比表面积大，可以在低流速下快速检测。最后，声呐传感器成功地检测到真实的香烟烟雾，具有良好的重复性，在实际环境中对吸烟进行实时监测具有很大的潜力。

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Rapid cigarette detection by using surface acoustic wave gas sensor with non-polymer sensing film

The surface acoustic wave (SAW) gas sensor is coated with modified hollow mesoporous carbon nanosphere to replace generally used polymer as new type sensing material, which is used to detect the secondhand smoke marker, 3-ethenylpyridine. This non-polymer sensing layer is more sensitive than poly-acrylic acid due to the much more carboxyl group bonded by treating with nitric acid and the large specific surface area caused by porous structure is leading to rapid detection at low flow rate. Finally, the SAW sensor successfully detects real cigarette smoke with good repeatability, having great potential as real time monitoring for smoking in actual environment.

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2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS)

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