Title :
Gas Sensor of Multiwalled Carbon Nanotubes Using Field Emission Effect
Author :
Lee, Yang Doo ; Lee, Hyeon-Jae ; Cho, Woo-Sung ; Lee, Yun-Hi ; Kim, Jai Kyeong ; Nahm, Sahn ; Ju, Byeong-Kwon
Author_Institution :
Dept. of Mater. Sci. & Eng., Korea Univ., Seoul
Abstract :
We demonstrate approach to gas sensing using the field emission effect of carbon nanotube (CNT). We focus on the field emission of vertically aligned multiwalled CNTs (MWCNTs) by electric field surface treatment and the characteristics of the sensor when exposed to NO2
Keywords :
carbon nanotubes; electron field emission; gas sensors; nanotube devices; C; electric field surface treatment; field emission effect; gas sensor; multiwalled carbon nanotubes; Carbon nanotubes; Cathodes; Chemical sensors; Electric resistance; Gas detectors; Glass; Surface resistance; Surface treatment; Temperature sensors; Voltage;
Conference_Titel :
Vacuum Nanoelectronics Conference, 2006 and the 2006 50th International Field Emission Symposium., IVNC/IFES 2006. Technical Digest. 19th International
Conference_Location :
Guilin
Print_ISBN :
1-4244-0401-0
DOI :
10.1109/IVNC.2006.335235