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Proceedings Paper

Unleashing giant TCR from phase changes in carbon nanotube composites
Author(s): Gustavo E. Fernandes; Jin Ho Kim; Jimmy Xu; Ashok K. Sood; Nibir K. Dhar; Madan Dubey
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Paper Abstract

We present a new material platform for uncooled bolometric infrared detection, consisting of a composite membrane of carbon nanotubes and a non-conductive, volume phase-change polymer. Devices using this platform have achieved temperature coefficients of resistance (TCR) in excess of - 40%/K at 300 K, an order of magnitude larger than commercial materials.

Paper Details

Date Published: 19 September 2013
PDF: 7 pages
Proc. SPIE 8868, Infrared Sensors, Devices, and Applications III, 88680S (19 September 2013); doi: 10.1117/12.2028182
Show Author Affiliations
Gustavo E. Fernandes, Brown Univ. (United States)
Jin Ho Kim, Brown Univ. (United States)
Jimmy Xu, Brown Univ. (United States)
Ashok K. Sood, Magnolia Optical Technologies, Inc. (United States)
Nibir K. Dhar, Defense Advanced Research Projects Agency (United States)
Madan Dubey, U.S. Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 8868:
Infrared Sensors, Devices, and Applications III
Paul D. LeVan; Ashok K. Sood; Priyalal S. Wijewarnasuriya; Arvind I. D'Souza, Editor(s)

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