4.8 Article

Ultrafast hydrogen sensing through hybrids of semiconducting single-walled carbon nanotubes and tin oxide nanocrystals

Journal

NANOSCALE
Volume 4, Issue 4, Pages 1275-1279

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr11765g

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Funding

  1. U.S. National Science Foundation [SBIR-1138083, CMMI-0856753]
  2. U.S. DOE [DE-AC02-06CH11357]
  3. Div Of Civil, Mechanical, & Manufact Inn [0856753] Funding Source: National Science Foundation

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We report an ultrafast and sensitive hydrogen (H-2) sensing platform using semiconducting single-walled carbon nanotubes (SWCNTs) decorated with tin oxide (SnO2) nanocrystals (NCs). The hybrid SnO2 NC-SWCNT platform shows a response time of 2-3 seconds to 1% H-2 under room temperature and can fully recover within a few minutes in air.

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