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Gas Sensors: Room‐Temperature Gas Sensing Based on Electron Transfer between Discrete Tin Oxide Nanocrystals and Multiwalled Carbon Nanotubes (Adv. Mater. 24/2009)
Author(s) -
Lu Ganhua,
Ocola Leonidas E.,
Chen Junhong
Publication year - 2009
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.200990094
Subject(s) - materials science , nanocrystal , tin oxide , nanotechnology , carbon nanotube , nanostructure , nanomaterials , electron transfer , oxide , carbon fibers , tin , composite number , composite material , photochemistry , chemistry , metallurgy
Hybrid nanostructures consisting of multiwalled carbon nanotubes (CNTs) uniformly coated with SnO 2 nanocrystals can be used as a novel gas sensing platform, exhibiting high sensitivity to low‐concentration gases (NO 2 , H 2 , and CO) at room temperature, report Junhong Chen and co‐workers on p. 2487 . The hybrid nanomaterial provides a new opportunity to engineer sensing devices through electronic transfer between the nanocrystals and the CNT.