Study of UWB-RFID wireless methane sensor based on Pd-SWCNTs

LIU Jian; MAO Xin-rong

doi:10.13873/J.1000-9787(2015)07-0036-04

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Study of UWB-RFID wireless methane sensor based on Pd-SWCNTs

更新时间：2025-09-11

- Study of UWB-RFID wireless methane sensor based on Pd-SWCNTs
- Vol. 34, Issue 7, Pages: 36-39(2015)
- 作者机构：
  
  西安科技大学通信与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)07-0036-04
  CLC： TD712.55;TP212
- Published：2015
- 稿件说明：
移动端阅览
[1]刘健,毛昕蓉.基于Pd-SWCNTs的UWB-RFID无线瓦斯传感器研究[J].传感器与微系统,2015,34(07):36-39.

LIU Jian, MAO Xin-rong. Study of UWB-RFID wireless methane sensor based on Pd-SWCNTs[J]. 2015, 34(7): 36-39.
[1]刘健,毛昕蓉.基于Pd-SWCNTs的UWB-RFID无线瓦斯传感器研究[J].传感器与微系统,2015,34(07):36-39. DOI： 10.13873/J.1000-9787(2015)07-0036-04.

LIU Jian, MAO Xin-rong. Study of UWB-RFID wireless methane sensor based on Pd-SWCNTs[J]. 2015, 34(7): 36-39. DOI： 10.13873/J.1000-9787(2015)07-0036-04.

摘要

针对在室温环境下探测瓦斯浓度

提出一种基于钯掺杂单壁碳纳米管（Pd-SWCNTs）的超宽带射频识别（UWB-RFID）传感器。传感器为薄型标签

由传感探头和电磁界面组成

其中传感探头为一PdSWCNTs加载的交叉指型电极（IDE）;电磁界面由天线、微带线和终端负载组成。Pd-SWCNTs感知瓦斯浓度

引起IDE电流的变化

形成带隙幅度调制和带隙频率调制两种识别模式。当瓦斯浓度从0×10-6增加到100×10-6

基于带隙调幅调制的识别灵敏度为-9.32 d B;而基于带隙调频调制的识别灵敏度为-11.30 d B。

Abstract

Aiming at detection of concentration of methane at room temperature

a sensor in ultra-wideband radio frequency identification（ UWB-RFID） is proposed based on Pd-doped single walled carbon nanotubes（ PdSWCNTs）. The proposed sensor is a thinly filmed tag composed of a sensor probe and an EM interface

sensor probe is an inter-digital electrode（ IDE） that takes the Pd-SWCNTs as load; The EM interface is composed of an antenna

a microstrip line and a terminal load. When the Pd-SWCNTs senses concentration of methane

the current of IDE will be changed

form two detection modes which are band-gap amplitude modulation and band-gap frequency modulation. When concentration of methane from 0 × 10- 6to 100 × 10- 6

the identifiable sensitivity in terms of the band-gap amplitude modulation is- 9. 32 d B; while the identifiable sensitivity in terms of the bandgap frequency modulation is- 11. 30 d B.

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Keywords

references

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A novel methane sensor based on porous SnO2 nanorods: room temperature to high temperature detection [J] . A Biaggi-Labiosa,F Solá,M Lebrón-Colón,L J Evans,J C Xu,GW Hunter,G M Berger,J M González. Nanotechnology . 2012 (45)

Methane sensor based on nanocomposite of palladium/multi-walled carbon nanotubes grafted with 1,6-hexanediamine [J] . Zhongping Li,Junfen Li,Xu Wu,Shaomin Shuang,Chuan Dong,Martin M.F. Choi. Sensors & Actuators: B. Chemical . 2009 (2)

Room temperature methane detection using palladium loaded single-walled carbon nanotube sensors [J] . Yijiang Lu,Jing Li,Jie Han,H.-T. Ng,Christie Binder,Christina Partridge,M. Meyyappan. Chemical Physics Letters . 2004 (4)

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