Unleashing giant TCR from phase changes in carbon nanotube composites

Gustavo E. Fernandes; Jin Ho Kim; Jimmy Xu; Ashok K. Sood; Nibir K. Dhar; Madan Dubey

doi:10.1117/12.2028182

19 September 2013 Unleashing giant TCR from phase changes in carbon nanotube composites

Gustavo E. Fernandes, Jin Ho Kim, Jimmy Xu, Ashok K. Sood, Nibir K. Dhar, Madan Dubey

Proceedings Volume 8868, Infrared Sensors, Devices, and Applications III; 88680S (2013) https://doi.org/10.1117/12.2028182
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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.

Citation Download Citation

Gustavo E. Fernandes, Jin Ho Kim, Jimmy Xu, Ashok K. Sood, Nibir K. Dhar, and Madan Dubey "Unleashing giant TCR from phase changes in carbon nanotube composites", Proc. SPIE 8868, Infrared Sensors, Devices, and Applications III, 88680S (19 September 2013); https://doi.org/10.1117/12.2028182

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