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http://dx.doi.org/10.5369/JSST.2010.19.2.087

Hydrogen sensor of SWNT-PdOx system using the vacuum filtering deposition method  

Kim, Il-Jin (Department of Special Weapons, Daeduk University)
Park, Kee-Bae (KIER)
Publication Information
Abstract
Hydrogen gas sensors were fabricated using $PdO_x$ loaded with SWNTs. The nanoparticle powders of $SWNT_s-PdO_x$ composite were deposited on Si wafer substrates by a vacuum filtering deposition method. The fabricated sensors were tested against hydrogen gas. The composition ratio that exhibited the highest response to hydrogen gases was SWNTs : $PdO_x$ = 98 : 2 in wt% ratio at operating temperature of about $150^{\circ}C$. The response and recovery times were shorter than 1.0 min. in presence of 1000 ppm hydrogen.
Keywords
hydrogen sensor; vacuum filtering deposition; SWNTs;
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Times Cited By KSCI : 9  (Citation Analysis)
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