A Novel Wireless Inkjet-Printed Chipless Sensor for Moisture Detection Utilizing Carbon Nanotube

被引：0
|
作者：
Vena, Arnaud [1 ]
Babar, A. Ali [1 ]
Sydanheimo, Lauri [1 ]
Ukkonen, Leena [1 ]
Tentzeris, Manos M. [2 ]
机构：
[1] Tampere Univ Technol, Dept Elect, Rauma Res Unit, FIN-33101 Tampere, Finland
[2] Georgia Tech, Sch ECE, Atlanta, GA 30332 USA
来源：
2013 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI) | 2013年
基金：
芬兰科学院;
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A new chipless sensor for water droplet detection is proposed. This concept is demonstrated by inkjet-printing a dual rhombic loop scatterer on a flexible substrate having a size of 4x2cm(2) only. This sensor operates in the ISM band at 2.45 GHz. The scatterer is doped with a thin layer of carbon nanotube-based organic ink to enhance its sensitivity in the presence of water. Strong water molecule adsorption by the carbon nanotubes helps to detect and record when a water drop has been in contact with the sensor. The sensor's electromagnetic response is modified permanently so that a "water event" can be detected later. Simulation and wireless measurement results validate this new concept.
引用
收藏
页码：2303 / +
页数：2
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