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

页码：2303 / +

页数：2

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