4.3 Article

Effectively enhanced sensitivity of a polyaniline-carbon nanotube composite thin film bolometric near-infrared sensor

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 7, Pages 3215-3219

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm14946j

Keywords

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Funding

  1. National Research Foundation of Korea
  2. Korean government (MEST) [2010-0020648, 2011-0019462]
  3. Ministry of Health & Welfare, Republic of Korea [A101954]
  4. Korea Health Promotion Institute [A101954120004] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  5. National Research Foundation of Korea [과C6A1905, 과06A1104, 2007-2004045] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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The polyaniline-carbon nanotube composite thin film bolometric near-infrared sensor exhibited more than a two orders of magnitude sensitivity enhancement over both the polyaniline thin film and carbon nanotube network NIR sensor. We also investigated the mechanism of the effectively enhanced sensitivity of the composite material and demonstrated that it is a synergistic effect due to the higher heat generation of carbon nanotubes and higher temperature coefficient of resistance of polyaniline.

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