4.6 Article

Selective recognition of xylene isomers using ZnO-SWNTs hybrid gas sensors

Journal

ANALYST
Volume 137, Issue 11, Pages 2549-2552

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an35168d

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Funding

  1. NIH-NIEHS Gene-Environment Initiative [U01ES016026]
  2. Ministry of Knowledge Economy, Republic of Korea

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We demonstrate a hybrid ZnO nanoparticle decorated SWNT network device that can conductometrically differentiate between xylene isomers at room temperature with minimal interference from background VOCs. Field effect transistor measurements are conducted to identify the sensing mechanism which is attributed to enhanced SWNT transduction of chemical interaction with ZnO surfaces.

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