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首页> 外文会议>Optical Sensing Technology and Applications; Proceedings of SPIE-The International Society for Optical Engineering; vol.6585 >Hollow fibres integrated with single walled carbon nanotubes as novel opto-chemical sensors
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Hollow fibres integrated with single walled carbon nanotubes as novel opto-chemical sensors

机译：与单壁碳纳米管集成的中空纤维作为新型光化学传感器

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摘要

In this work, we report on the integration of Hollow-core Optical Fibers (HOF) and Single Walled Carbon NanoTubes (SWCNTs) in order to obtain new functionalized devices by means of the modification of the photonic bandgap (PBG) characterizing the HOF itself. The samples were obtained by coating and partially filling by SWCNTs the termination of HOFs. The infiltration of SWCNTs inside the HOF holes has been accomplished by means of the Langmuir-Blodgett technique. Far field transmission characterizations have been carried out at 1550nm in order to study the influence of the carbon nanotubes within the HOF holes on the HOF PBG. Finally, in light of the sensing features of the SWCNTs, the realized samples have been employed as opto-chemical sensors for volatile organic compounds (VOCs) detection and their sensing capability has been proved by their exposure to VOCs traces. Experimental results demonstrate the success of the SWCNTs partial filling within the HOF holes, the influence of the deposition parameters on the HOF PBG and sensing performances as well as the sensor capability to perform VOCs detection with a good sensitivity and fast response times.
机译：在这项工作中，我们报告了中空光纤（HOF）和单壁碳纳米管（SWCNT）的集成，以便通过修改表征HOF的光子带隙（PBG）来获得新的功能化设备。通过用SWCNT涂覆和部分填充HOF的末端获得样品。已经通过Langmuir-Blodgett技术完成了HOCNT孔内SWCNT的渗透。为了研究HOF孔内的碳纳米管对HOF PBG的影响，已在1550nm处进行了远场透射表征。最后，根据SWCNTs的传感特征，已实现的样品已被用作用于挥发性有机化合物（VOC）检测的光化学传感器，并且通过暴露于VOC痕迹证明了其传感能力。实验结果表明，SWCNTs在HOF孔中部分填充的成功，沉积参数对HOF PBG和感测性能的影响以及以良好的灵敏度和快速的响应时间执行VOCs检测的传感器能​​力。

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