A Molecularly Imprinted Polymer-Graphene Sensor Antenna Hybrid for Ultra Sensitive Chemical Detection

被引：24

作者：

Adams, Jason D. ^{[1
]}

Emam, Shadi ^{[1
]}

Sun, Neville ^{[1
]}

Ma, Yufeng ^{[2
]}

Wang, Qingwu ^{[2
]}

Shashidhar, Ranganathan ^{[2
]}

Sun, Nian-Xiang ^{[1
]}

机构：

[1] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA

[2] Polestar Technol, Needham Hts, MA 02494 USA

来源：

IEEE SENSORS JOURNAL | 2019年 / 19卷 / 16期

关键词：

Antenna; graphene; chemical detection; molecular imprinting polymer; molecular imprinting technique; ppt; HFSS; ELECTRODE;

D O I：

10.1109/JSEN.2019.2913143

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A state-of-the-art gas sensor is developed to measure extremely small concentrations of a chemical vapor in the air in a range lower than 0.1 parts per billion. The sensor enables simultaneous measurement of a chemical (methyl salicylate) with a resonant electromagnetic structure and radiating the information back to a base station. The chemical sensor is composed of a layer of graphene (transduction layer) with a molecular imprinting polymer (MIP) layer (sensor) on top. This leads to a combination of the ultra high sensitivity of graphene with the exquisite selectivity of the molecular imprinting technique (MIT). The sensor is electrically embedded within a patch antenna. The simulation results using Ansoft high-frequency structure simulator (HFSS) are presented along with test data that show parts per trillion (ppt) detection levels.

引用

页码：6571 / 6577

页数：7

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