Carbon Nanotube Based Microwave Resonator Gas Sensors

2007 ◽  
pp. 31-53 ◽  
Author(s):  
M. P. McGRATH ◽  
A. PHAM
Keyword(s):  
Carbon Nanotube ◽  
Gas Sensors ◽  
Microwave Resonator

Carbon Nanotube Based Microwave Resonator Gas Sensors

2006 ◽  
Vol 16 (04) ◽  
pp. 913-935 ◽  
Author(s):  
M. P. McGRATH ◽  
A. PHAM
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Resonant Frequency ◽  
Gas Sensors ◽  
Gas Detection ◽  
Wireless Sensing ◽  
Microwave Resonator ◽  
Network Applications ◽  
Sensor Platform ◽  
Carbon Nanotube Resonator

This paper reviews our work on the development of microwave carbon nanotube resonator sensors for gas detection. The sensor consists of a radio frequency resonator coated with a layer of carbon nanotubes. Upon exposure to gasses, the resonant frequency of the sensor shifts to indicate the presence of gasses. Our experimental results demonstrate that the microwave carbon nanotube resonator sensor achieves a sensitivity of 4000 Hz/ppm upon exposure to ammonia and the resonant frequency is recovered when ammonia is evacuated. The sensing mechanism is dependent on electron transfer from the ammonia to the nanotubes. This sensor platform has great potential for wireless sensing network applications.

Improving sensing properties of entangled carbon nanotube-based gas sensors by atmospheric plasma surface treatment

2020 ◽  
Vol 232 ◽  
pp. 111403 ◽  
Author(s):  
Neelakandan M. Santhosh ◽  
Aswathy Vasudevan ◽  
Andrea Jurov ◽  
Anja Korent ◽  
Petr Slobodian ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Surface Treatment ◽  
Gas Sensors ◽  
Atmospheric Plasma ◽  
Plasma Surface ◽  
Sensing Properties ◽  
Plasma Surface Treatment

scholarly journals New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites

2011 ◽  
Vol 25 ◽  
pp. 256-259 ◽  
Author(s):  
I. Sayago ◽  
M.J. Fernández ◽  
J.L. Fontecha ◽  
M.C. Horrillo ◽  
C. Vera ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Gas Sensors ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites

Computation-led design of pollutant gas sensors with bare and carbon nanotube supported rhodium alloys

2020 ◽  
Vol 151 (2) ◽  
pp. 159-171 ◽  
Author(s):  
Abhijit Dutta ◽  
Amit Kumar Pradhan ◽  
Fei Qi ◽  
Paritosh Mondal
Keyword(s):  
Carbon Nanotube ◽  
Gas Sensors

Flexible gas sensors with assembled carbon nanotube thin films for DMMP vapor detection

2010 ◽  
Vol 150 (2) ◽  
pp. 708-714 ◽  
Author(s):  
Yanyan Wang ◽  
Zhi Yang ◽  
Zhongyu Hou ◽  
Dong Xu ◽  
Liangming Wei ◽  
...  
Keyword(s):  
Thin Films ◽  
Carbon Nanotube ◽  
Gas Sensors ◽  
Vapor Detection
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