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2,4,6‐Trinitrotoluene (TNT) Chemical Sensing Based on Aligned Single‐Walled Carbon Nanotubes and ZnO Nanowires
Author(s) -
Chen PoChiang,
Sukcharoenchoke Saowalak,
Ryu Koungmin,
Gomez de Arco Lewis,
Badmaev Alexander,
Wang Chuan,
Zhou Chongwu
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200904005
Subject(s) - materials science , trinitrotoluene , carbon nanotube , nanowire , nanotechnology , explosive material , detection limit , carbon fibers , electronic nose , nanosensor , composite material , composite number , organic chemistry , chemistry , statistics , mathematics
Nanotube/nanowire chemical sensors have attracted significant attention for the detection of explosives and nerve agents. We report TNT sensors based on aligned carbon nanotubes transferred onto fabric as prototype wearable sensors, with an excellent sensitivity down to 8 ppb at room temperature. In addition, we also fabricated TNT sensors based on ZnO nanowires with a detection limit of 40 ppb at room temperature. Those sensors have great potential for electronic nose systems.