Title :
Graphene-based ultra-sensitive gas sensors
Author :
Rivera, Ivan F. ; Joshi, Rakesh K. ; Wang, Jing
Author_Institution :
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA
Abstract :
In the present work, we report the performance of grapheme-based gas sensors. Monolayer quality graphene was synthesized using thermal chemical vapor deposition. Graphene was characterized using Raman spectroscopy and Transmission electron microscopy. In addition, Hall Effect experiments were conducted to study the electronic properties of graphene layers. These graphene layers were tested to sense NO2, NH3, and Ethanol at room temperature. The responses of the grapheme based gas sensor are highly reproducible.
Keywords :
Hall effect; Raman spectra; ammonia; chemical vapour deposition; gas sensors; graphene; monolayers; nitrogen compounds; organic compounds; transmission electron microscopy; C; Ethanol; Hall effect experiment; NH3; NO2; Raman spectroscopy; graphene-based ultra-sensitive gas sensor; monolayer quality graphene; temperature 293 K to 298 K; thermal chemical vapor deposition; transmission electron microscopy;
Conference_Titel :
Sensors, 2010 IEEE
Conference_Location :
Kona, HI
Print_ISBN :
978-1-4244-8170-5
Electronic_ISBN :
1930-0395
DOI :
10.1109/ICSENS.2010.5690325